Ninjastic
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Board Project Development
Re: Is Mastercoin bloating the blockchain and what we can do about it?
by
Gavin Andresen
on 30/08/2013, 07:29:22 UTC
It bloats the UTXO set, which is bad.

MasterCoin transactions should all be spendable or provably prune-able. There are plenty of ways to accomplish that, the easiest of which that works today would be to stuff data into unused public keys of an OP_CHECKMULTISIG transaction.