Tuesday, April 28, 2026

Dormant Digital Assets

PsiQuantum's computer
Four and a half years ago I wrote The $65B Prize about the potential reward for developing a "sufficiently powerful quantum computer" capable of cracking Bitcoin's encryption. It was based on work by Aggarwal et al, who were then projecting it would happen between 2029 and 2044. The $65B was the notional value of the wallet containing the million Bitcoin Satoshi Nakamoto mined originally.i But I noted that:
Chainalysis estimates that about 20% of all Bitcoins have been "lost", or in other words are sitting in wallets whose keys are inaccessible. That is around another 3.6 million stranded Bitcoin or at the current "price" about $234B.
So the potential prize was almost $300B.

Nearly a year ago I followed up with The $740B Prize. There are two reasons why the prize was then bigger but is now smaller than that:
  • Bitcoin's "price" had then increased from about $65K to around $107K, but it is now around $76K.
  • Because the "market cap" of Michael Saylor's Strategy was 1.6 times the "market cap" of its stash of Bitcoin, it was possible to use Saylor's algorithm to amplify the prize. But the factor has decreased from 1.6 to 0.81, so the algorithm no longer works.
But the threat to Bitcoin, and other cryptocurrencies, is far worse than I described in either of these two posts. The date is closer and the range of threats much broader. Follow me below the fold for the details.

Tuesday, April 14, 2026

Angels in America

I have wanted to write this post for a long time, but I was waiting until I could visit the invaluable Royal National Theatre Archive to check my memory of their early productions. It doesn't look like I'll be in London any time soon, and I have the time now to write a long post about a long play, so here goes.

Growing up in London meant that theatre has always been an important part of my life. I have seen a great many plays including some legendary performances and magnificent productions, such as Royal National Theatre's 2014 King Lear. One of my particular theatrical interests is long-form plays. Highlights of this genre have included:
Play Text
But there is one such play that is very special to me, Tony Kushner's 7+ hour Angels in America. It is clearly among the greatest plays of the 20th century. I was there at the beginning, and I have seen many productions since. Below the fold I recount my history with this masterpiece.