Collatoralized Identity -- Tying a value asset to an Identity

Executive Summary

This post proposes the notion of a Collateralized Identity which ties a
value asset balance and its history to a globally unique identifier. Such a
CID thus becomes a means to verify the identity’s age and balance history
and can eliminate the problem of disposable sockpupptet identities.
Further, it proposes to use bitcoin addresses as the implementation.
Bitcoin provides both a means to attach value to a GUID, and to make the
balance history of the GUID publicly available and easy to verify.

[Read More]

http://joecascio.net/joecblog/2013/03/25/collateralized-identity-using-bitcoin-to-suppress-sockpuppets/

Seems a neat idea!  I wonder if it's also possible to implement this using
Linked Data ...