#Basics

2 articles tagged with Basics.

GeneralBeginner

UTXO vs account model: how do Bitcoin and Ethereum track balances?

Bitcoin tracks unspent outputs and wallets compute balances, with implicit fees and change outputs. Ethereum stores a balance and nonce per account, so nonce management replaces coin selection.

#basics#transactions

Deepak Tewatia · 4 min

BitcoinBeginner

How does Bitcoin mining actually work?

Miners hash an 80-byte block header until its double SHA-256 falls below a target. Difficulty retargets every 2016 blocks, and nodes follow the chain with the most cumulative work.

#basics#consensus#mining

Deepak Tewatia · 5 min

Sep 8, 2026

Sep 5, 2026