most spam is still required to be stored, such as the utxo bloat. pruning means you can't verify your own txs if they are far back enough and we need full nodes to bootstrap new nodes.
Discussion
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A bitcoin node still downloads and validates all transactions and blocks, even if pruning is enabled. And if you set up your node to track your wallet history, it will store those transactions even if they're past the prune period.
Op_returns are provably unspendable thus, pruneable. If it’s in a block you have to accept it or you’re out of sync with the rest of the network.
To win your war you need to fork bitcoin. Or you can just ignore it and let your node prune it.
No, a pruned node verifies everything, no matter how far back it is.
Correct, it has to verify every transaction.
The moment it reads the OP_RETURN byte it sees the transaction as valid and the UTXO unspendable. It doesn’t read the arbitrary data afterwards because it doesn’t need to and can prune the output immediately.
Honestly, I think my node has to do more work verifying a stranger’s multisig spend than some op_return bible verse