O que é Virtual byte (vB)?
The unit transaction size is measured in for fee purposes, equal to four weight units, introduced so SegWit data is discounted.
SegWit moved signature data into a separate witness section that counts for one weight unit per byte instead of four. A block holds four million weight units, equivalently one million virtual bytes.
This is why SegWit transactions are cheaper: the same economic action occupies fewer virtual bytes and therefore costs less at the same fee rate.
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SegWit
A 2017 soft fork that moved signature data into a separate witness structure, fixing transaction malleability…
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What a transaction pays per virtual byte of the space it occupies. Miners prioritise by fee rate, not by…
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A batch of transactions accepted into the ledger together, produced roughly every ten minutes and limited to…
Esta definição faz parte do glossário da Bitcoin Logical. Para a explicação completa, comece por Aprender, ou veja os números ao vivo em O Sinal Bitcoin.