On Sat, Mar 27, 2021 at 7:22 PM Steve Capell <steve.capell@gmail.com> wrote: > The Singapore government https://www.openattestation.com/ does this > already . Version 3 is W3C VC data model compliant > > Each element is hashed (with salt I think) and then the hash of the hashed > is the document hash that is notarised > > The main rationale is selective redaction (because the root hash is > unchanged when some clear text is hidden). But I suppose it simplifies > canonicalisation too... > I’m a big fan of this approach, a form of redaction distinct from zk forms of selective disclosure. There was an attempt to spec one here in the CCG three-four years ago, but it died on the vine. I’d be interested is seeing this spec & implementation. Any links? — Christopher Allen [via iPhone] >
Received on Sunday, 28 March 2021 02:47:56 UTC