Tl;dr: Rather than storing all unspent outputs, store their hashes. Untrusted
peers can supply the full outputs when needed, with very little overhead.
Any attempt to spoof those outputs would be apparent, as their hashes would not
be present in the hash set. There are many advantages to this, most
As previously discussed[0][1][2] on the mailing list, github issue commentary,
and IRC channels, there's substantial reason to disable BIP37 in network nodes
which are getting stronger as the size of the chain increases. BIP37 has
significant denial of service issues which are unsolvable in the
Luke Dashjr writes:
> An OP_TRUE-only script with a low value seems like a good example of where
> the
> weight doesn't reflect the true cost: it uses a UTXO forever, while only
> costing a weight of 4.
>
> I like Johnson's idea to have some template (perhaps OP_2-only, to preserve
> expected
