[Bitcoin-development] [BIP] Normalized Transaction IDs

Pieter Wuille pieter.wuille at gmail.com
Wed May 13 20:31:06 UTC 2015

On Wed, May 13, 2015 at 1:27 PM, Tier Nolan <tier.nolan at gmail.com> wrote:

> After more thought, I think I came up with a clearer description of the
> recursive version.
> The simple definition is that the hash for the new signature opcode should
> simply assume that the normalized txid system was used since the
> beginning.  All txids in the entire blockchain should be replaced with the
> "correct" values.
> This requires a full re-index of the blockchain.  You can't work out what
> the TXID-N of a transaction is without knowning the TXID-N of its parents,
> in order to do the replacement.
> The non-recursive version can only handle refunds one level deep.

This was what I was suggesting all along, sorry if I wasn't clear.

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