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Request provisioning of a deposit address for a currency for which no address has been requested or provisioned. Retrieve the status of the deposit address for a particular currency for which one has been requested or provisioned. List account balances across available currencies. Returns a Balance entry for each currency for which there is either a balance or an address.
Retrieve account balance for a specific currency. Request will always succeed when the currency exists, regardless of whether there is a balance or address. Create a new batch request. Currently batch requests are limited to placing and cancelling orders.
The request model corresponds to the equivalent individual operations. Batch operations are executed sequentially in the order they are listed in the request. The response will return one result for each operation in the request in the same order. The status and response payload are the same as the responses would be if individual API requests were made for each operation. List closed conditional orders. Pagination and the sort order of the results are in inverse order of the ClosedAt field. The unique identifier of the item that the resulting query result should start after, in the sort order of the given endpoint.
Used for traversing a paginated set in the forward direction. May only be specified if PreviousPageToken is not specified. The unique identifier of the item that the resulting query result should end before, in the sort order of the given endpoint.
Used for traversing a paginated set in the reverse direction. May only be specified if NextPageToken is not specified. In ISO format e. Precision beyond one second is not supported. Use pagination parameters for more precise filtering. Uses the same format as StartDate. Either, both, or neither of StartDate and EndDate can be set.
The only constraint on the pair is that, if both are set, then EndDate cannot be before StartDate. List open deposits. Results are sorted in inverse order of UpdatedAt, and are limited to the first List closed deposits. Pagination and the sort order of the results are in inverse order of the CompletedAt field.
Retrieve information on a specific execution. Also, there may be a delay before an executed trade is visible in this endpoint. List historical executions for account. Pagination and the sort order of the results are in inverse order of the Executed field.
Retrieve recent candles for a specific market and candle interval. Candles for intervals without any trading activity will match the previous close and volume will be zero. This portion of the url may be omitted if trade based candles are desired e. List closed orders. Retrieve executions for a specific order. Results are sorted in inverse order of execution time, and are limited to the first List subaccounts.
Pagination and the sort order of the results are in inverse order of the CreatedAt field. Create a new subaccount. Retrieve details for a specified subaccount. List open withdrawals for all subaccounts. Results are sorted in inverse order of the CreatedAt field, and are limited to the first List closed withdrawals for all subaccounts.
List closed deposits for all subaccounts. List sent transfers. List received transfers. Retrieve information on the specified transfer.
List open withdrawals. List closed withdrawals. Cancel a withdrawal. Create a new withdrawal. To initiate a fiat withdrawal specify a funds transfer method id instead of a crypto address. Authenticates the current connection using an API key. Note that after authenticating, the client must periodically renew its authentication.
Refer to the websocket authentication topic for additional information. Refer to the websocket authentication topic for an example. Determines if the current connection is authenticated. In the example, the client is not currently authenticated. Subscribes to one or more data streams.
Unsubscribes from one or more data streams. Sends a message at the start of each candle based on the subscribed interval and when trades have occurred on the market.
Note that this means on an active market you will receive many updates over the course of each candle interval as trades occur. You will always recieve an update at the start of each interval. If no trades occurred yet, this update will be a 0-volume placeholder that carries forward the Close of the previous interval as the current interval's OHLC values.
Executions are immutable so any information received about a given execution from REST or the socket will be its final state. Sends an empty message on an interval currently 5 seconds. If you stop getting a heartbeat that means your connection is dead. If you are still getting a heartbeat but are not getting updates on active markets then that means your connection is alive but something else is wrong. Provides regular updates of the current market summary data for all markets.
Market summary data is different from candles in that it is a rolling hour number as opposed to data for a fixed interval like candles. Provides regular updates of the current market summary data for a given market. This stream does not include a sequence number because each message received is a full snapshot of the current state.
An update with quantity 0 means that there is no longer any liquidity available at that rate or that this rate is no longer within the subscribed depth. For example, if subscribed to a depth of 25, if an order is placed at a new rate somewhere in the middle of the top 25, the entry that was formerly the 25th, and is now 26th, will get an update with quantity 0.
For this reason, depth is included as part of the key defined above. The first 25 levels of the depth 25 and depth orderbooks will be identical, but updates for level 26 of the depth 25 order book always 0 must be kept separate from updates for the depth orderbook if you are subscribed to both.
Note: You must get the orderbook snapshot from the same depth as you are subscribed to on the websocket. Sequence numbers are not the same for different depths. Sends a message with the best bid price, best ask price, and last trade price for all markets as there are changes to the order book or trades.
Sends a message with the best bid and ask price for the given market as well as the last trade price whenever there is a relevant change to the order book or a trade. Details for this operation. Type varies depending on the resource and operation. Detailed results for this operation. Type varies depending on the resource, operation, and whether it was successful. Currently this will be either an Order or an Error. The stop price will automatically adjust relative to the most extreme trade value seen.
Amount paid for buy orders or amount received for sell orders in quote currency e. For a sell order the quote currency received is proceeds - commission. Server time in epoch millisecond format, rounded down to the nearest second.
The same format must be used in the Api-Timestamp header of authenticated requests. Please upgrade to the v3 API before that date. Once the fee is in place it will be visible there if there are no fees it will return an empty array.
There is also information about wire transfer and fees available on Zendesk for US and Global users. You can now initiate wire transfer withdrawals from the API Creating new deposit addresses no longer requires withdrawal permissions There are now more options for querying subaccount deposits and withdrawals To see older changes, please visit the history page.
No further breaking changes are planned. Keep in mind the following: Enable 2FA on your account. Example Value: xxxxxxxxed05xxxxxxxxxx Api-Timestamp Populate this header with the current time as a UNIX timestamp, in epoch-millisecond format. Hex ; Example Value: cf83eeefb8bdfd66ddebdc83f4ad36ce9ce47d0d13c5d85f2b0ffdeec2f63bbda81aafda3e This is the correct value of the content hash for any request with no body. If you wish to make a request on behalf of a subaccount, you will need to: Authenticate using all 4 of the headers above referring to your master account.
The specified subaccount must be a subaccount of the master account used to authenticate the request. Include the Api-Subaccount-Id header at the end of the pre-signed signature, as indicated in the next section. Arguments: pageSize optional : A limit on the number of objects to be returned between 1 and , defaults to nextPageToken optional : The id of the last item on the current page. Order Types Market Order : An order to buy or sell a specified quantity of an asset immediately at the best available price.
Note: If the order is not a maker order, you will return an error and the order will be cancelled Conditional Order : A directive for the system to place an order on your behalf when the price on the market moves past a given threshold. Order types and time in force The following table shows which time in force options apply to which order types.
Placing Conditional Orders Conditional orders are placed using this API by specifying the market price trigger conditions and what action to take when the trigger is reached. Trigger conditions The trigger for a conditional order is made up of two parts: the operand and the trigger price or percentage.
The general flow of information to check is: status code of the response. See the error code and response data for more details. Please make sure to implement exponential backoff with your requests. C : V3WebsocketExample. ComputeHash Encoding. GetBytes data ; return BitConverter.
ToString hash. Replace "-" , string. CopyTo decompressedStream ; decompressedStream. To ensure you have the most recent data, and have not missed anything, the recommended sequence of steps is to: Subscribe to the relevant socket streams Begin to queue up messages without processing them Call the equivalent v3 REST API and record both the results and the value of the returned Sequence header.
For example, orderbook snapshots of different depths will have different sequence numbers. If the Sequence header is less than the sequence number of the first queued socket message received unlikely , discard the results of step 3 and then repeat step 3 until this check passes. Discard all socket messages where the sequence number is less than or equal to the Sequence header retrieved from the REST call Apply the remaining socket messages in order on top of the results of the REST call.
Each socket delta is a snapshot of an object. The identity of the object is defined by a unique key made up of one or more fields in the message see documentation of individual streams for details. To apply socket deltas to a local cache of data, simply replace the objects in the cache with those coming from the socket where the keys match. Continue to apply messages as they are received from the socket as long as sequence number on the stream is always increasing by 1 each message Note: for private streams, the sequence number is scoped to a single account or subaccount.
If a message is received that is not the next in order, return to step 2 in this process For applications that depend on keeping the stream of data as reliable as possible, creating multiple socket connections for redundancy is recommended.
NOTE: This functionality is limited to partners and unavailable to general traders. Best Practices Generate a single subaccount per user Do NOT pre-generate and store subaccounts or addresses in advance Only generate new wallet addresses upon the user's initial request to deposit.
Addresses are not required to trade or withdraw Use the subaccount websocket streams to avoid polling. Authenticated Account. Get fiat transaction fees. Get fiat transaction fees by currency symbol. Get trade fees for each markets when marketSymbol is not provided. Get trade fee for the given marketSymbol. Get 30 day volume for account. Get trading permissions. Get trading permissions for a single market. Get currency permissions.
Get currency permissions for a single currency. Authenticated Addresses. List deposit addresses that have been requested or provisioned. Authenticated Balances. Get sequence of balances snapshot. Authenticated Batch. List of operations in the batch BatchOperation.
Authenticated ConditionalOrders. Retrieve information on a specific conditional order. Cancel a conditional order. List open conditional orders.
Get sequence of open conditional orders snapshot. Create a new conditional order. List currencies. Retrieve info on a specified currency. Authenticated Deposits.
Get open deposits sequence. Retrieves all deposits for this account with the given TxId. Retrieve information for a specific deposit. Authenticated Executions. Gets sequence number and last execution id. Get sequence number for executions. Authenticated FundsTransferMethods. Get details about a linked bank account. List markets. List summaries of the last 24 hours of activity for all markets. Retrieve the current sequence number for the market summaries snapshot.
List tickers for all markets. Retrieve the current sequence number for the tickers snapshot. Retrieve the ticker for a specific market. Retrieve information for a specific market. Retrieve summary of the last 24 hours of activity for a specific market.
Retrieve the order book for a specific market. Retrieve the current sequence number for the specified market's order book snapshot. Retrieve the recent trades for a specific market. Retrieve the current sequence number for the specified market's recent trades snapshot. Retrieve the current sequence number for the specified market's candles snapshot. Authenticated Orders.
List open orders. Bulk cancel all open orders can be limited to a specified market. Get sequence of open orders snapshot.
Retrieve information on a specific order. Cancel an order. Create a new order. Pings the service. Authenticated Subaccounts. List open deposits for all subaccounts.
Results are sorted in inverse order of UpdatedAt. Authenticated Transfers. Executes a new transfer. Authenticated Withdrawals. Retrieves all withdrawals for this account with the given TxId. Retrieve information on a specified withdrawal.
Returns a list of allowed addresses. Authenticate Authenticates the current connection using an API key. IsAuthenticated Determines if the current connection is authenticated. True if the connection is authenticated, false otherwise. Subscribe Subscribes to one or more data streams.
Unsubscribe Unsubscribes from one or more data streams. Candle Sends a message at the start of each candle based on the subscribed interval and when trades have occurred on the market.
Deposit Sends a message when a new deposit is detected or its status changes. Heartbeat Sends an empty message on an interval currently 5 seconds. Message schema "Heartbeat messages contain no payload". Market Summaries Provides regular updates of the current market summary data for all markets. Market Summary Provides regular updates of the current market summary data for a given market.
Orderbook Sends a message when there are changes to the order book within the subscribed depth. It help users manage their digital assets cross-chain with low latency and large capacit. A cryptocurrency address can be shared publicly in the form of text or QR code to receive funds. Please confirm with the recipient to ensure that your information is correct.
What can I do? Please try again later or select other networks. Your patience is much appreciated. You can also click on the TxID to see the status of the relevant transaction in that blockchain explorer.
Note that your funds will be transferred to the relevant block after the nodes have confirmed the transaction. If the network is congested, it may take longer for your funds to arrive.
You can also access your transaction history from [Wallets]. Maker and taker trade orders are charged different fees. Bittrex trading fees is 0. For details see the table below. Trading Fees. Maker Fees 0. Coins ETH Ethereum. USDT Tether. SOL Solana. ADA Cardano. DOT Polkadot. DOGE Dogecoin. AVAX Avalanche. LUNA Terra. LTC Litecoin. CRO Crypto. What are crypto withdrawal fees?
Viewed k times. What is the current number in Ethereum? Improve this question. Eth, you are talking about confirming a block here, right? I ask because of the comment lungj made to my question here: ethereum. Tesa I understand the terminology isn't great.
You would say a transaction has 6 confirmations; but we don't really say that blocks get confirmed and it's unusual to say that a block has 6 confirmations. A well-written definition from Bitcoin : "confirmations represent the number of blocks in the block chain that have been accepted by the network since the block that includes the transaction. Add a comment. Sorted by: Reset to default. Highest score default Date modified newest first Date created oldest first. From George Hallam : 12 confirmations; however, exchanges and entities handling very large amounts of Ether frequently are still encouraged to run two different Ethereum implementations and only accept transactions that have been confirmed by both for maximum security e.
For reference, 12 confirmations is approximately 3 minutes. Improve this answer. Can you please provide a reference to why 12 confirmations is a good number? This article discusses waiting an on appropriate value to be gathered by miners before considering the transaction complete.
The value is proportional to the value you are transacting. Called the 'Ou Rule' in the article: medium. What happens when a fork goes beyond 12 blocks but you're only checking for 12 confirmations? I Wait 5 blocks for confirmation To make sure a block is no uncle or a transaction included in a block does not hang up in an ommer, I would suggest waiting 7 confirmations around 2 minutes.
From the whitepaper : An uncle included in block B must have the following properties: [ FWIW, I wouldn't read too far into the 5-block number in the geth client. I wrote it, but didn't do deep analysis on the best depth, and no reviewers commented on the depth. Tjaden Hess Tjaden Hess Why ? In ethereum. The DAG structure allows paying unintended uncles to demotivate centralization. Anita Lin Anita Lin 1 1 silver badge 2 2 bronze badges.
From the article, I conclude that it depends on the attack, so the ten confirmations commandment is only valid for the "normal case" not for the Byzantine and the economic attack. Symeof Symeof 1, 12 12 silver badges 17 17 bronze badges. Is this your personal rule of thumb or some industry wide best practise as promoted by an authorative source maybe the Ethereum Foundation?
Please clarify the source to improve this answer ï¿½ J-B. Without diving into the numbers, it does seems sensible to exercise greater cautioun when processing large amounts.
So technically the risk is lower in this case. Symeof I agree that's true for normal expected reversions. As Roland said in his comment , it really depends on the type of attack you are defending against.
I was thinking of an exchange defending against a rare but serious problem, such as a zero day exploit. I've stumbled upon a very interesting research paper entitled "On the Security and Performance of Proof of Work Blockchains " the autors state the following : Due to the smaller block rewards and the higher stale block rate of Ethereum2 compared to Bitcoin from 0.
You'll find the demonstration in the paper. Not the answer you're looking for? Browse other questions tagged transactions security blockchain bitcoin confirmations or ask your own question. Once migrated to Eth2, validators will stake the tokens to participate in consensus and receive block rewards. Validators have the right to stake ETH on the Beacon Chain to participate in block production and earn staking rewards. Quick block times lead to a higher stale or orphan rate, which can split mining resources among competing forks and reduce overall network security.
Accelerated confirmation times also increases the likelihood a single mining pool could obtain a majority of the hashpower on a given chain.
The GHOST protocol attempts to solve this issue of network security by including orphan blocks in the calculation of the longest chain. Therefore, the GHOST model determines the valid chain by weighing the parent and further ancestors as well as the number of stale descendants. The protocol also rewards the mining of orphan blocks directly connected to the longest chain to combat potential centralization concerns. Orphan block miners do not receive any transaction fees, only a portion of the block subsidy, as stale transactions are not considered valid.
Some say GHOST works better in theory than in practice, claiming Ethereum further modified its consensus implementation before or soon after launch to avoid security complications. Others suggest the Ethereum consensus model better resembles Nakamoto consensus or a modified version of the Inclusive protocol.
Regardless of the security model classification, Ethereum continues to reward orphan block miners with Mining Ethereum miners solve computational puzzles to generate new blocks by running the Ethash Proof-of-Work PoW algorithm. Cryptographers designed Ethash to be ASIC-resistant by making it memory intensive for specialized mining chips. Ethereum also plans to transition to a Proof-of-Stake PoS consensus model, which would render any mining equipment obsolete.
External contracts can create and sign messages to send to both types of accounts, while contract accounts can only execute transactions automatically in response to a message they have received. The latter are what are known as smart contracts and enable the programmability of decentralized applications dApps.
Every operation on the EVM requires computational effort and memory. Ethereum node operators and miners provide these scarce resources to application developers and network users in exchange for gas. Different operations require different amounts of gas, and the user can specify how much they are willing to pay in ETH for each unit of gas.
The amount of gas required for the transaction, along with the price paid, becomes the transaction cost. Every transaction also had a gas limit to prevent attacks from overloading blocks, which could slow down block production. Developer tools and token standards Ethereum adopted Ethereum Request for Comment ERC 20 in late as a standard for Ethereum smart contracts to issue tokens on the platform.
The majority of tokens built on Ethereum are ERC compliant, meaning they follow a standard set of rules defining how they are created and used. Another more popular token rule set is ERC with standardizes the issuance of non-fungible tokens NFTs where any given token is distinguishable from another making them popular for gaming.
Ethereum 2. It will transition from Proof-of-Work to Proof-of-Stake and feature a sharding architecture. Currently, nodes must validate every transaction to maintain an updated global state.
The new sharding model segments the network into various groups called shards and randomly assigns nodes to each shard. Rather than having to monitor the entire chain, nodes only have to validate their respective shard s.