A TXID is always 32 bytes 64 characters and hexadecimal. Due to historical accident, the tx and block hashes that bitcoin core uses are byte-reversed. May be something like using openssl bignum to store hashes or something like that, then printing them as a number.
In other words, this was a slight oversight in the early development of Bitcoin that has now become a standard. For example:. You use a TXID when you want to use an existing output as an input in a new transaction. Because after all, a TXID is a unique identifier 1 for a transaction. Hash functions like SHA are great for creating identification numbers, because they will take in any string of data and always spit out a short yet unique result.
These coinbase transactions used the same address when claiming the block reward from two different blocks. So, each block that follows the first confirmation is another confirmation that your transaction is legitimate. Bitcoin blocks, containing all the most recent transactions, are added to the blockchain every 10 minutes. That means in theory, your transaction will receive its first confirmation within 10 minutes of the request being sent.
The number of confirmations needed for a crypto transaction to be processed will depend on the exchange, and sometimes depend on the amount being transferred. Some exchanges will process a transaction after just one confirmation, many require three confirmations, while some may require up to six.
You will see a summary of information about the transaction, including the number of confirmations it has. GoCardless helps you automate payment collection, cutting down on the amount of admin your team needs to deal with when chasing invoices.
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Blockchain information for Bitcoin (BTC) including historical prices, the most recently mined blocks, the mempool size of unconfirmed transactions, and data for. Bitcoin Explorer. Recent Blocks. Height, Age, Transactions, Total Sent, Total Fees. Look up Bitcoin (BTC) blocks, transactions, addresses, balances, nodes, OP_RETURN data and protocols, blockchain stats and charts.