How are transactions and blocks encrypted in the bitcoin implementation?
Answer / Rakesh Ranjan
In Bitcoin, each transaction is digitally signed by the sender using their private key. The signature verifies that they have control over the input funds. Transactions are then hashed and combined with other transactions to form a block, which is also hashed. The hash of the previous block (the parent) is included in the new block (child), creating an unbreakable link between them. This process continues throughout the chain.
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