Adam Back has been officially confirmed as a speaker at Bitcoin 2026, returning to the conference as one of the few people in the world whose contributions to Bitcoin predate Bitcoin itself. As Co-Founder and CEO of Blockstream and CEO of Bitcoin Standard Treasury Company (BSTR), Back comes to Las Vegas operating at the intersection of Bitcoin infrastructure and capital markets like never before.

In 1997, Back invented Hashcash — a proof-of-work system originally built to combat email spam that became the direct technical foundation for Bitcoin’s mining process. Satoshi Nakamoto cited Back by name in the Bitcoin white paper, writing that the network would need “a proof-of-work…

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