Dear Mr Wright,

Thank U so much for this article, as it is the first time I’ve truly understood Bitcoin’s most important feature: Proof of Work as a solution for the problem of security in a distributed network of digital-asset allocation. You had me at “ The “first-seen rule” in Bitcoin” as this quickly reminded me of the writings of Satoshi Nakamoto circa 2008 when explaining to his peers the inner-workings of 1.5 years worth of coding and error proofing.

Proof of Work makes sense, to prevent Sybil Attacks. What is your opinion of the creators of GRIN & BEAM wrt to their use of Proof of Work? (Obviously via your previous writings you’d be against their support of Anonymity, but I’m asking outside that fact)