Oh, another design goal is that if a peg mechanism is possible, that it be possible to do blind-amount pegs. I believe nothing in this proposal precludes entirely blind issuance and deissuance amounts.
On Tue, Apr 11, 2017 at 11:36:17PM +0000, Andrew Poelstra wrote: > > FUTURE > ========== > > A core goal of this design is to make it possible to later softfork in a > sidechain peg. The restrictions on this would be that the "extra condition" > data would have some sort of SPV proof or whatever. Kernels and commitments > can be used to describe the destination of the coins, and explicit amounts > can be used to give miners fees in the pegged asset. > > Another idea is that if in the far future grin's coin issuance schedule > turns out to be economically or incentive-wise bad, we can softfork in > another coin with another schedule. (Of course, the original coin would > remain perfectly intact, for people who don't like this.) > > > This is a pretty complex proposal, and will need a fair bit of review and > maybe > modification, but it gives us an incredible amount of power: > > - Confidential assets :) > > - A test coin that users can mint arbitrarily and which adds to the > privacy set for the real coins (but whose issuance takes constant space) > > - Ability to soft-fork in pegged (or other) currencies > > - Users who don't follow the soft-fork still get the privacy benefits of > the new asset type, and can still verify inflation-soundness or the new > asset and old ones. > > - In fact, we could add a coin whose issuance is based on some new and > suspicous crypto, or trust assumptions, or whatever, and if this crypto > fails the fallout is entirely contained to the new asset. > > ...and we get all this without any new crypto primitives (though who knows > what > a peg proof will wind up looking like..). > -- Andrew Poelstra Mathematics Department, Blockstream Email: apoelstra at wpsoftware.net Web: https://www.wpsoftware.net/andrew "A goose alone, I suppose, can know the loneliness of geese who can never find their peace, whether north or south or west or east" --Joanna Newsom
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