On Fri, Jul 19, 2019, 12:13 William Casarin via bitcoin-dev < bitcoin-dev@lists.linuxfoundation.org> wrote:
> > Hello Mike, > > Mike Brooks via bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org> > writes: > > > Motivation > > > > Giving scripts the ability to refer to data on the blockchain will reduce > > transaction sizes because key material does not have to be repeated in > > every Script. Users of the network are rewarded with smaller transaction > > sizes, and miners are able to fit more transactions into new blocks. > > Pointers are a common feature and it felt like this was missing from > > Bitcoin Script. > > This would incentivize address re-use which would be bad for > fungibility. It appears you're trying to optimize a use case which is > already discouraged :( > Furthermore, right now block validation does not require access to the whole historical chain (only to the set of unspent outputs), so a change like this would massively increase storage requirements for validation. Cheers, -- Pieter
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