How can you trust Bitcoin nodes?
How can you trust Bitcoin nodes?
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The Bitcoin node is significantly useful because its main purpose is to verify transaction and blockchain on the networks. It secures our account because it negates the need for the 3rd party clients. By using the Bitcoin wallet, we are required to give our trust to the aforementioned program for smooth transactions.
Last edited by AbdulShiek; 05-07-2020 at 04:54 AM.
Bitcoin is meant to be a decentralized network not requiring trust to make/receive transactions. Transactions contain signatures to prove that they haven't been tampered with
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Nodes and wallets are given checkpoints like "Don't accept the blockchain unless the block 5000 has hash A, 2000 has hash B, 500 has hash C". And yes, if they find a longer chain then they'll erase their chain and switch! But I don't think they find the longest chain before downloading it, because any node can lie at the beginning.
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