In P2PKH, the lockedscript is DUP,HAS160, <hashedpubkey>, EQUALVERIFY, CHECKSIG and to unlock it you provide <sig, pubkey>. And when you execute in the stack, you will get the the final result as 1, and you're allowed to spend this output.
I don't understand how the execution of stack works for P2WPKH works. The lockedscript is 0,<pubkeyhash>, and you unlock it with the scriptsig <sig,pubkey> inside the witnessdata. How how do you execute this through stack? Can you someone layout step by step how the new nodes validate the unlocking of segwit utxo?
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