[Bitcoin-development] To prevent arbitrary data storage in txouts — The Ultimate Solution

Jorge Timón jtimon at monetize.io
Wed Apr 10 15:58:10 UTC 2013


On 4/10/13, Peter Todd <pete at petertodd.org> wrote:
> Oh, and while we're at it, long-term (hard-fork) it'd be good to change
> the tx hash algorithm to extend the merkle tree into the txouts/txins
> itself, which means that to prove a given txout exists you only need to
> provide it, rather than the full tx.
>
> Currently pruning can't prune a whole tx until every output is spent.
> Make that change and we can prune tx's bit by bit, and still be able to
> serve nodes requesting proof of their UTXO without making life difficult
> for anyone trying to spent old UTXO's. The idea is also part of UTXO
> proof stuff anyway.

I thought about this before, I like the idea very much.
Would such a fork be controversial for anyone?
Would anyone oppose to this for some reason I'm missing?

-- 
Jorge Timón

http://freico.in/




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