Rusty Russell on nostr

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JackTheMimic · 4w

Initial block download you check: Block- Syntax, PoW, timestamp, blocksize, and Txn- Syntax, signatures, inputs, and outputs So, I am not sure what you mean by "download and hash"

Rusty Russell @Rusty Russell 1772279375

To check the signature, you hash the transaction. So the only cost that OP_RETURN is doing is the cost to download and hash it.

If it's data in the annex you don't even need fi hash it, just download it.

JackTheMimic · 4w

I feel like we have gotten off on the wrong exit. OP_RETURN is a testing code that should have never been made standard in 2014. The sole problem of OP_RETURN and Annex are data storage burden. I admit with Moore's Law, it is likely not a storage issue. My contention is that processing, bandwidth an...

You need to hash the annex to calculate the wtxid, which goes into the witness merkle root in the coinbase, which you check when validating a block though. You also hash it as part of taproot witness signature valuation, which is different from other witness data (eg inscriptions).