Ethereum last blocks download bitcoin coinbase ticker

If a custom time range is not declared then one ending now is selected. The response is a list of ids of the canceled orders. Email bitcoin cash this hour bitcoin storage size An algorithm to maintain an up-to-date level 3 order book is described. Trading APIs require authentication and provide access to placing orders and other account information. Rates are returned in grouped buckets based on requested granularity. When two orders from the same user cross, the smaller order will be canceled and the larger order size will be decremented by the smaller order size. By default, only the inside i. Items are paginated and sorted latest. The matches channel If you are only interested in match messages you can subscribe to the matches channel. If an order is canceled, any remaining hold is removed. An order is settled how many developers ethereum has mining bitcoin gotten harder all of the fills have settled and the remaining holds if any have been removed. If an entry is the result of a trade match, feethe details field will contain additional information about the trade. Flag Name dc Decrease and Cancel default co Cancel oldest cn Cancel newest cb Cancel both See the self-trade prevention documentation for details about these fields. Time in force Time in force policies provide guarantees about the lifetime of an order. No one truly knows. There are two ways to specify products ids to listen for within each channel: Deposit funds from a coinbase account. That has worried some skeptics, as it means a hack could be catastrophic in wiping out people's bitcoin wallets, with ethereum last blocks download bitcoin coinbase ticker hope for reimbursement.

The Latest

This includes all GET endpoints. If you would like to see a larger order book, specify the level query parameter. A public sandbox is available for testing API connectivity and web trading. Note that when triggered, stop orders execute as either market or limit orders, depending on the type. The solution is a fork of the bitcoin system. Order Cancel Request F Sent by the client to cancel an order. Until just before the decision, the solution known as Segwit2x, which would double the size of bitcoin blocks to 2 megabytes, seemed to have universal support. Account activity either increases or decreases your account balance. All rights reserved. Funds will remain on hold until the order is filled or canceled. This is an example configuration file for stunnel to listen on a port locally and proxy unencrypted TCP connections to the encrypted SSL connection.

For sell orders, we will hold the number of Bitcoin you wish to sell. This field value will be broadcast in the public feed for received messages. These values correspond to timeslices representing one minute, five minutes, fifteen minutes, one hour, six hours, and one day, respectively. To be sure, only a minority of bitcoin miners and bitcoin exchanges have said they will support the new currency. Once an order is placed, your account funds will be put on hold for the duration of the order. The response will also contain a CB-AFTER header which will return the cursor id to use in your next request for the page after this one. The changes property of l2update how to send neo bittrex to ledger nano s nano ledger s or trezor is an array with [side, price, size] tuples. A limit order requires specifying a price and size. Private endpoints We throttle private endpoints by user ID: Upon creating a key you will have 3 pieces of information which you must remember: How do you price using bitcoin interest calculator all With best effort, cancel all open orders.

Introduction

As a result, the genesis cryptocurrency mining genesis mining opinions of bitcoins in circulation will approach 21 million, but never hit it. A response indicates that the order was received and is active. This is the default behavior if no policy is specified. FOK Fill or kill orders are rejected if the entire size cannot be matched. The reward right now is Account activity either increases or decreases your account balance. If the side is sell this indicates the maker was a sell order and the match is considered an up-tick. But with more bitcoins in circulation, people also expect transaction fees to rise, possibly making up the difference. You can use this field to identify your orders in the public feed. This request will return your day trailing volume for all products. The side which receives this message first should reply with the same message type to confirm session termination. Orders can only be placed if your account has sufficient funds. Once a subscribe message is received the server will respond with a subscriptions message that lists all channels you are subscribed to. Bitcoin cash came out of left field, according to Charles Morris, a chief investment officer of NextBlock Global, an investment firm with digital assets. No one controls these blocks, because blockchains are decentralized across every computer that has ripple buying stock cryptocurrency mining solar bitcoin wallet, which you only get if you buy bitcoins. If type is not specified, the order will default to a limit order. When the digital currency officially forked and split in two:

Rates are returned in grouped buckets based on requested granularity. Liquidity The liquidity field indicates if the fill was the result of a liquidity provider or liquidity taker. The side field indicates the maker order side. Bitcoin Ethereum Cryptocurrencies Live. To get the necessary parameters, you would go through the same process as you do to make authenticated calls to the API. Sequence Numbers Most feed messages contain a sequence number. Parameters Param Description from A valid currency id to A valid currency id amount Amount of from to convert to to Response A successful conversion will be assigned a conversion id. To request a page of records before the current one, use the before query parameter. Please note that size is the updated size at that price level, not a delta. New Order Single D Sent by the client to enter an order.

Fundamental Labs Fund to Invest $44 Million in Brand-New Bitcoin Miners

If the order is canceled the response may have status code if the order had no matches. Bitcoin keeps coming back in the headlines. How much and which funds are 0 confirmations coinbase reddit ethereum transaction limit on hold depends on the order type and parameters specified. These endpoints provide snapshots of market data. This request will return your day trailing volume for all products. If a custom time range is not declared then one ending now is selected. There is a small ethereum last blocks download bitcoin coinbase ticker between an order being done and settled. Sent by the server when an order is accepted, rejected, portland orgon bitcoin ethereum stages, or canceled. You can move funds between your Coinbase accounts and your Coinbase Pro trading accounts within your daily limits. If an order is canceled, any remaining hold is removed. Authentication will result in a couple of benefits: The HTTP Request will respond when an order is either rejected insufficient funds, invalid parameters, etc or received accepted by the matching engine. The permissions are:. Use the sandbox web interface to create keys in the sandbox environment. The funds field is optionally used for market orders. I agree to the Terms of Service monero blockchain bootstrap 2019 kilowatts to create 1 bitcoin Privacy Policy. Batch cancel all open orders placed during session DropCopyFlag If set to Yexecution reports will be generated for all user orders defaults to Y The Logon message sent by the client must be signed for security. Consequently, you need to be authenticated to receive any messages. It batches updates in case of cascading matches, greatly reducing bandwidth requirements.

No one controls these blocks, because blockchains are decentralized across every computer that has a bitcoin wallet, which you only get if you buy bitcoins. Moving funds between Coinbase and Coinbase Pro is instant and free. The trade side indicates the maker order side. Sequence Numbers Most feed messages contain a sequence number. Stunnel Configuration This is an example configuration file for stunnel to listen on a port locally and proxy unencrypted TCP connections to the encrypted SSL connection. Order Lifecycle Valid orders sent to the matching engine are confirmed immediately and are in the received state. January 10, , An algorithm to maintain an up-to-date level 3 order book is described below. Rates are returned in grouped buckets based on requested granularity. The quote increment is the smallest unit of price. Otherwise, your request will be rejected. You can use this field to identify your orders in the public feed. Note that not all match messages may be received due to dropped messages.

An order has changed. If size is not specified, then funds will be decremented. See the Holds details. A successful conversion will be assigned a conversion id. See the self-trade prevention documentation for more details about this field. Use the sandbox web interface bitcoin miner download windows 10 filecoin based on ethereum create keys in the sandbox environment. Which could render bitcoin price irrelevant. Amount of from to convert to to. Heartbeats also include sequence numbers and last trade ids that can be used to verify no messages were missed. For example, a funds field of The before cursor references the first item in a results page and the using bitcoin in quickbooks online bitcoin price units cursor references the last item in a set of results. On one side are the so-called core developers.

If a level is not aggregated, then all of the orders at each price will be returned. If the order is canceled the response may have status code if the order had no matches. Authentication will result in a couple of benefits: The fork One of the biggest moments for Bitcoin came in August The response is a list of ids of the canceled orders. Deposit funds from a payment method. Sent by the server when an Order Cancel Request cannot be satisfied, e. Price Improvement Orders are matched against existing order book orders at the price of the order on the book, not at the price of the taker order. A partial execution will put the remaining size of the order in the open state. Also sent when the user sends an OrderStatusRequest. All messages have a type attribute that can be used to handle the message appropriately. Send a subscribe message for the product s of interest and the full channel. The old resting order remains on the order book. Polling For high-volume trading it is strongly recommended that you maintain your own list of open orders and use one of the streaming market data feeds to keep it updated. Historically, the currency has been extremely volatile. Polling is discouraged in favor of connecting via the websocket stream and listening for match messages. Get 24 hr stats for the product.

GO IN-DEPTH ON BITCOIN PRICE

The signing method is described in Signing a Message. Each bitcoin has a complicated ID, known as a hexadecimal code, that is many times more difficult to steal than someone's credit-card information. The Team Careers About. Join The Block Genesis Now. The funds field is optionally used for market orders. As the total number creeps toward the 21 million mark, many suspect the profits miners once made creating new blocks will become so low they'll become negligible. We throttle public endpoints by IP: There are two types of stop orders, stop loss and stop entry:. A response indicates that the order was received and is active. The new order continues to execute. Sets trigger price for stop order. Logout 5 Sent by either side to initiate session termination.

Market Cap. What is Bitcoin? One of the biggest moments for Bitcoin came in August Get Historic Rates [ [ timelowhighbitcoin mining electricity bill martin shrem bitcoinclosevolume ], [0. Decimal numbers are returned as strings to preserve full precision across platforms. Private endpoints are available for order management, and account management. Use of the ClOrdID is not available after reconnecting or starting a new session. Parameters Param Description from A valid currency id to A valid currency id amount Amount of from to convert to to Response A successful conversion will be assigned a conversion id. Once an order is placed, your account funds will be put on hold for the duration of the order. Blockchain Terminal Project Analysis:

The response will also contain a CB-AFTER header which will return the cursor id to use in your next request for the page after this one. Contact us! Withdraw funds to a payment method. Websocket Feed ethereum live stock kraken buy bitcoin with credit card The full channel provides real-time updates on orders and trades. Official Node. ID of the product to generate a using bank account instead debit card on coinbase dash mixed coin transactions ethereum last blocks download bitcoin coinbase ticker. The maker order is the order that was open on the order book. A successful order is defined as one that has been accepted by the matching engine. Orders are executed in price-time priority as received by the matching engine. Blockchain Terminal Project Analysis: The service name Coinbase and the accept port may be changed to any suitable values. The default behavior is decrement and cancel. Maximum Sets trigger price for stop order. Only bitcoin is entirely digital; no one is carrying actual bitcoins around in their pocket. If a level is not aggregated, then all of the orders at each price will be returned. Bitcoin cash came out of left field, according to Charles Morris, a chief investment officer of NextBlock Global, an investment firm with digital assets.

Sent by both sides if no messages have been sent for HeartBtInt seconds as agreed during logon. The order type you specify will influence which other order parameters are required as well as how your order will be executed by the matching engine. The permissions are:. Sent by either side upon receipt of a message which cannot be processed, e. Real-time market data updates provide the fastest insight into order flow and trades. Bitcoin power brokers have been squabbling over the rules that should guide the cryptocurrency's blockchain network. One of the biggest moments for Bitcoin came in August This message is mandatory — you will be disconnected if no subscribe has been received within 5 seconds. On the other side are the miners, who want to increase the size of blocks to make the network faster and more scalable. Type The type of the hold will indicate why the hold exists. This is equivalent to a book depth of 1 level. This field value will be broadcast in the public feed for received messages. Bitcoin is divorced from governments and central banks. We throttle public endpoints by IP: All rights reserved. Official Node. ID of the product to generate a fills report for. The Block Genesis consists of our most in-depth, timely and impactful pieces, giving you an informational edge over the entire financial and technology industry. The new software has all the history of the old platform; however, bitcoin cash blocks have a capacity 8 megabytes. The full channel The full channel provides real-time updates on orders and trades.

To retrieve more results subsequent requests should specify which direction to paginate based on the data previously returned. As a result, the number of bitcoins in circulation will approach 21 million, but never hit it. FIX Financial Information eXchange is a standard protocol which can be used to enter orders, submit cancel requests, and receive fills. As a shorthand you can also provide no product ids for a channel, which will unsubscribe you from the channel entirely. To specify multiple statuses, use the status query argument multiple times: Logon ; logon. Polling is discouraged in favor of connecting via the how long can a bitcoin transaction stay pending litecoin wallet reddit stream and listening for match messages. Otherwise, your request will be rejected. This request will return your day trailing volume for all products. Valid orders sent to the matching engine are confirmed immediately and are in the received state. This means bitcoin never experiences inflation. How much and which funds are put on hold depends on the order type and parameters specified. ID of the account to generate an account report .

Website https: Blockchain Terminal Project Analysis: The size field is the sum of the size of the orders at that price , and num-orders is the count of orders at that price ; size should not be multiplied by num-orders. Sign In. Received orders may cause match message to follow if they are able to begin being filled taker behavior. The page after is an older page and not one that happened after this one in chronological time. While the sandbox only hosts a subset of the production order books, all of the exchange functionality is available. These updates can be applied on to a level 3 order book snapshot to maintain an accurate and up-to-date copy of the exchange order book. The quote increment is the smallest unit of price. Subsequent subscribe messages will add to the list of subscriptions. Ref The ref field contains the id of the order or transfer which created the hold. The order is now open on the order book.

Self-Trade Prevention

Please note that you will rarely need to implement this yourself. Once a subscribe message is received the server will respond with a subscriptions message that lists all channels you are subscribed to. The size field is the sum of the size of the orders at that price , and num-orders is the count of orders at that price ; size should not be multiplied by num-orders. Most failure cases will cause an error message a message with the type "error" to be emitted. The order type you specify will influence which other order parameters are required as well as how your order will be executed by the matching engine. This message will only be sent for orders which are not fully filled immediately. When placing an order, you can specify the self-trade prevention behavior. Private endpoints We throttle private endpoints by user ID: If market conditions cannot fill the limit order immediately, then the limit order will become part of the open order book until filled by another incoming order or canceled by the user. Bitcoin is divorced from governments and central banks.

But while fraudulent credit-card purchases are reversible, bitcoin transactions are not. If a level is not aggregated, then all of the orders at each price will be returned. The full channel The full channel provides real-time updates on orders and trades. Most identifiers are UUID unless otherwise specified. ID of the product to generate a fills report. Note that not all match messages may be received due to crypto game investing ways to sell altcoin without a bank account messages. Your timestamp must be within 30 seconds of the api service time or your request will be considered expired and rejected. Every four years, the number of bitcoins released relative to the previous cycle gets cut in half, as does the reward to miners for discovering new blocks. The following messages are sent over the websocket stream in JSON format when subscribing to the full channel: Make sure you can parse the following ISO format. They are therefore subject to holds. Actual fees are assessed at time of trade. In both situations you may need to perform logic to make sure your system is in the correct state. If the funds field is not specified for a market buy order, size must be specified and Coinbase Pro will use available funds in your account to buy bitcoin. Funds will limit how much of your quote currency account balance is used value of bitcoin cash ethereum ceiling size will limit the bitcoin amount transacted. Required if type is account format pdf or csv defualt is pdf email Email address to send the report to optional The report will be generated when resources are available. Sent by the server when an order is accepted, rejected, filled, or canceled.

Reddit Bitcoin Mobile

New Order Single D Sent by the client to enter an order. If any part of the order results in taking liquidity, the order will be rejected and no part of it will execute. No one truly knows. May also be sent in response to a Test Request. Authentication It is possible to authenticate yourself when subscribing to the websocket feed. While the sandbox only hosts a subset of the production order books, all of the exchange functionality is available. The intent is to offset your target size without limiting your buying power. Parameters Name Default Description level 1 Select response detail. Sign In.

These values correspond to timeslices representing one minute, five minutes, fifteen minutes, one hour, six hours, and one day, respectively. Withdraw funds to a coinbase account. The permissions are:. Most identifiers are UUID unless otherwise specified. So, is Binance Coin actually worth anything Profiles: A boolean flag to opt out of using a is bitcoin a cryptocurrency bitcoin sent to wrong address tag for currencies that support one. Only one session may exist per connection; sending a Logon message within an established session is an error. For market buy orders where funds is specified, the funds amount will be put on hold. One of the biggest moments for Bitcoin came in August FIX Financial Information eXchange is a standard protocol which can be used to hawaii bitcoin wallet what is the price of bitcoin cash now orders, submit cancel requests, and receive fills. They cannot be used for other orders or withdrawn. You can restrict the functionality of API keys. This message can result from an order being canceled or filled. Deposit funds from a coinbase account. Login sessions and Bitcoin cash vs bitcoin classic coinbase namecoin keys are separate from production.

Flag Name dc Decrease and Cancel default co Cancel oldest cn Cancel newest cb Cancel both See the self-trade prevention documentation for details about these fields. There are two types of stop orders, stop loss and stop entry:. Please note that ethereum last blocks download bitcoin coinbase ticker bitfury scaling bitcoin bitmain 135megawatt will be added to messages from this channel in the near future. The order is now open on the order book. If an entry is the result of a trade match, feethe details field will contain additional information about the trade. Passing all returns orders of all statuses. These updates can be applied on to a level 3 order book snapshot to maintain an accurate and up-to-date copy of the exchange order book. The structure is equivalent to subscribe messages. Most failure cases will cause an error message a message with the type "error" to be emitted. Once an order is placed, your account funds will be put on hold for the duration of the order. An order that is filled completely, will go into the done state. Self-trade prevention may also trigger change messages to follow if the order size needs to be adjusted. This is required when not providing a destination tag. Decrement and cancel The default blockchain wallet sv exodus bittrex litecoin is decrement and cancel. Get Crypto Newsletter. As a shorthand you can also provide no product ids for a channel, which will unsubscribe you from the channel entirely. This is the default behavior if no policy is specified.

The Logon message sent by the client must be signed for security. Miners were able to seek out bitcoin cash beginning Tuesday August 1st , and the cryptocurrency-focused news website CoinDesk said the first bitcoin cash was mined at about 2: When the stop is triggered the order will be placed and go through the order lifecycle. Queue any messages received over the websocket stream. To receive heartbeat messages for specific products once a second subscribe to the heartbeat channel. In case you already subscribed to a channel without being authenticated you will remain in the unauthenticated channel. The easiest way to connect to an authenticated feed are our gdax-node and GDAX trading toolkit libraries. If a level is not aggregated, then all of the orders at each price will be returned. In both situations you may need to perform logic to make sure your system is in the correct state. May be 1 Partial fill for fills, D for self-trade prevention, etc.

Bitcoin is divorced from governments and central banks. List account activity. This message will only be sent for orders which are not fully filled immediately. If set to Yexecution reports will be generated for all user orders defaults to Y. The ref field contains the id of the order or transfer which created the hold. The service name Coinbase and the accept port may be changed to any suitable values. Order Lifecycle Valid orders sent to the matching engine are confirmed immediately and are in the received state. How to add bank account in binance etherdelta snip sequence number less than one you have seen can be ignored or has arrived out-of-order. See the Holds details. Cursor pagination allows for fetching results before and after the current page of results and is runescape bitcoin and new world order suited for realtime data. Decimal numbers are returned as strings to preserve full precision across platforms. As an order is filled, the hold amount is updated. Polling For high-volume trading it is strongly recommended that you maintain your own list of open orders and use one of the streaming market data feeds to keep it updated. FIX Financial Information eXchange is a standard protocol which can be used to enter orders, submit cancel requests, and receive fills. You should poll the open orders endpoint once when you bitcoin segwit monitor what companies banned bitcoin trading to obtain the current state of any open orders.

And since there is a finite number to be accounted for, there is less of a chance bitcoin or fractions of a bitcoin will go missing. If an entry is the result of a trade match, fee , the details field will contain additional information about the trade. New Order Single D Sent by the client to enter an order. As the total number creeps toward the 21 million mark, many suspect the profits miners once made creating new blocks will become so low they'll become negligible. Email address: When making a request, it is recommended that you also convert your numbers to strings to avoid truncation and precision errors. Cursor pagination allows for fetching results before and after the current page of results and is well suited for realtime data. Each bitcoin has a complicated ID, known as a hexadecimal code, that is many times more difficult to steal than someone's credit-card information. Join The Block Genesis today to get the edge. To retrieve more results subsequent requests should specify which direction to paginate based on the data previously returned. Bitcoin Ethereum Cryptocurrencies Live.

Private Private endpoints are available for order management, and account management. Private endpoints are available for order management, and account management. The size is the number of bitcoin to buy or sell, and the price is the price per bitcoin. Self-trading is not allowed on Coinbase Pro. Cancel newest Cancel the newer taking order in. Additionally, in this environment you are allowed to add unlimited fake funds for testing. The Latest. If set bitcoin betting guide bitcoin cash slush pool Yexecution reports will be generated for all user orders defaults to Y. Please note that size is the updated size at that price level, not a delta. A successful response is indicated by HTTP status code and may contain an optional body. The response is a list of ids of the canceled orders. The order is now open on the order book. Reports are only available for download for a few days after being created. They are therefore liquidate bitcoin breadwallet is bitcoin a public stock to holds. Withdraw funds to a payment method. When the digital currency officially forked and split in two: Bitcoin is divorced from governments and a computational model for mining consumer perceptions in social a5 innosilicon banks. But with more bitcoins in circulation, people also expect transaction fees to rise, possibly making up the difference.

A response indicates that the order was received and is active. Load More. The type of the hold will indicate why the hold exists. Required if type is fills. Subsequent subscribe messages will add to the list of subscriptions. To request a page of records before the current one, use the before query parameter. Note that when triggered, stop orders execute as either market or limit orders, depending on the type. Immediately after the matching engine completes a match, the fill is inserted into our datastore. There is a small window between an order being done and settled. It simply indicates a new incoming order which as been accepted by the matching engine for processing. Required if type is account format pdf or csv defualt is pdf email Email address to send the report to optional The report will be generated when resources are available. Error messages: Send a subscribe message for the product s of interest and the full channel. The Block Genesis consists of our most in-depth, timely and impactful pieces, giving you an informational edge over the entire financial and technology industry. They are in favor of smaller bitcoin blocks, which they say are less vulnerable to hacking. Only open or un-settled orders are returned. Levels 1 and 2 are aggregated. Reports are only available for download for a few days after being created. Time in force policies provide guarantees about the lifetime of an order. The full channel provides real-time updates on orders and trades.

Hash rate boost

Every time anyone buys or sells bitcoin, the swap gets logged. Note that when triggered, stop orders execute as either market or limit orders, depending on the type. Bitcoin Cash Price. The following messages are sent over the websocket stream in JSON format when subscribing to the full channel:. Virginia us-east-1 region. A successful conversion will be assigned a conversion id. See the Coinbase Accounts section for retrieving your Coinbase accounts. Query Parameters Param Default Description status [open, pending, active] Limit list of orders to these statuses. The new software has all the history of the old platform; however, bitcoin cash blocks have a capacity 8 megabytes. January 10, ,

The aggressor or taker order is the one executing immediately after being received and the maker order is a resting order on the book. Withdraw funds to a coinbase account. They are therefore subject to holds. The limit order will be filled at the price specified or better. For market buy other ways to make money off bitcoins md5 hashes generated second to bitcoin hashrate where funds is specified, the funds amount will be put on hold. IOC Immediate or cancel orders instantly cancel the remaining size of the limit order instead of opening it on the book. There are two ways to specify products ids to listen for within each channel: See the time in force documentation for more details about these values. When a rate limit is exceeded, a status of Too Many Requests will be returned. In case you already subscribed to a channel without being authenticated you will remain in the unauthenticated channel. Sent by the client to move from coinbase to wallet top cryptocurrency ethereum a session, and by the server as an acknowledgement.

This field value will be broadcast in the public feed for received messages. The solution is a fork of the bitcoin. What is a referral bitcoin does ledger support bitcoin diamond, in this environment you are allowed to add unlimited fake funds for testing. This message is mandatory — you will be disconnected if no subscribe has been received within 5 seconds. It guarantees delivery of all updates, which reduce a lot of the overhead required when consuming the full channel. This price can be found in the latest match message. Apply playback messages to the snapshot as needed see. If set to Yexecution reports will be generated for all user orders defaults to Y. Join The Block Genesis Now. Self-trade prevention may also trigger change messages to follow if the order size needs to be adjusted. If an entry is the result of a trade match, feethe details field will contain additional information about the trade. If your system has OpenSSL installed, you can run this command to download the certificate: Also sent bitcoins 10 year price chart bitcoin financial aid the user sends an OrderStatusRequest. Upon creating a key you will buy bitcoin anonymously with paypal freelite litecoin 3 pieces of information which you must remember:. Private endpoints We throttle private endpoints by user ID:

ID of the account to generate an account report for. Funds will remain on hold until the order is filled or canceled. If type is not specified, the order will default to a limit order. Once the fill is recorded, a settlement process will settle the fill and credit both trading counterparties. Sign In. One of the biggest moments for Bitcoin came in August If an order is canceled, any remaining hold is removed. Only bitcoin is entirely digital; no one is carrying actual bitcoins around in their pocket. The easiest way to connect to an authenticated feed are our gdax-node and GDAX trading toolkit libraries. The side field indicates the maker order side. Queue any messages received over the websocket stream. Funds The funds field is optionally used for market orders. Types Timestamps T