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4

A bitcoin transaction will create outputs, which can later be used as input to a new transaction. Each output will be locked to what is called a scriptpubkey, which basically sets up the cryptographic puzzle that must be satisfied (ie, return true when run) in order for those coins to be spent. Any transaction spending those coins will need to provide a ...


7

When you spend from a Bitcoin address, your transaction includes both the public key corresponding to the hashed address you're trying to spend from, as well as a signature that can be verified with that public key. Your link is to a block, which is not signed itself. However, let's look at a transaction from your block: https://www.blockchain.com/btc/tx/...


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