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A wallet manages a user's private keys. Wallet software is used to send and receive Bitcoin. It also keeps track of the user's transactions, addresses, and balance.

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How is wallet balance from unspent transactions in cryptography terms?

Leger Live How is bitcoin wallet balance calculated cryptographically? Does Ledger Live app check/compare each transaction+hash & transaction+signature hash like mempool nodes do? … Or does it only look at the unspent output addresses and check if they are children of wallet public key? If so how does it do this in cryptography terms? …