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Some other useful points: 1. Transactions can be secured using public-key encryption. This way Bob can't spend Alice's coins (unless he has her key pair). 2.
by notaboutdave 9y ago
Some other useful points:
1. Transactions can be secured using public-key encryption. This way Bob can't spend Alice's coins (unless he has her key pair).
2. Wallets are typically a collection of public/private key pairs, where each pair is a ledger address/password combo.
Also, I could be wrong, but it looks like the example code will accept longer peer chains even if they're completely different.
Great article!
- jiggunjer 9y ago"Wallet" is not well defined. Some people use it to refer to the management/client software rather than the valuable data itself.
- konschubert 9y ago> Also, I could be wrong, but it looks like the example code will accept longer peer chains even if they're completely different. I think there is a problem with his proof-of-work algorithm in that his proof of work is not tied to the transactions in the blockchain. Should't it include the hash of the previous block or something, in order to prevent people from simply building a new blockchain while re-using the proofs of work?