2
votes
Accepted
Can a coinbase adhering to BIP-0034 (block v2) only pay P2PKH addresses?
No, there is no restriction. Any transaction (including coinbase transactions) can create any output type. The block reward can be spent to P2PK, P2PKH, P2SH, P2SH-P2WPKH, P2SH-P2WSH, P2WPKH, P2WSH, ...
2
votes
Benefits of Bech32 addresses?
A P2SH-P2WPKH input weighs 363 WU (90.75 vbytes), and a P2WPKH input weighs 271 WU (67.75 vbytes) assuming low-r grinding on each. The outputs take 32 B and 31 B respectively. This means that a P2WPKH ...
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