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Vitor Pamplona · 9w
I just realized I can rebuild our OTS validator to use a local copy of the bitcoin chain instead of online block explorers. We only need block headers! Nothing else from the chain is touched — no tr...
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SatsAndSports @SatsAndSports
You need a bit more than the header, right? You also need the transaction that contains the OTS op_return and the Merkle path from that Bitcoin transaction up to the root that's in header

So that's two Merkle roots to validate: one of the OTS tree and another of the Bitcoin transactions

It's still just a small amount of data, so it's a good idea
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Vitor Pamplona · 9w
Not really. The proof file inside the ots event already carries the tx and the block merkle path. There are two merkle structures + the transaction itself sitting between the document hash and the block header's merkle root. The elegant trick of OTS is that every byte of that intermediate material i...