A concrete example
Seeing a transaction in an explorer’s mempool does not guarantee the next miner will include it.
In context
Nodes maintain their own pools of pending transactions; there is no single authoritative global mempool. A transaction included in the current tip has one confirmation. Each additional block increases the count, but the appropriate acceptance threshold depends on the payment and network conditions.
Explore the full explanation
Bitcoin
Bitcoin fees, mempool and confirmations
Fees are commonly quoted in satoshis per virtual byte.
Intermediate3 min reading + workshop ↗