Blockstream CEO Adam Back stated Thursday that a future post-quantum migration of Bitcoin might assist clarify the number of coins connected to Satoshi Nakamoto stay available, due to the fact that any owner wishing to secure susceptible holdings would require to move them to a brand-new address format.
Speaking at Paris Blockchain Week, Back stated such a migration would likely provide users adequate time to move funds and argued that coins left unmoved after that procedure might fairly be dealt with as lost.
” This migration to post-quantum address format might inform us the number of of those coins [Satoshi] still has,” stated Back, including that the pseudonymous developer has actually an approximated 500,000 to 1 million Bitcoin (BTC).
Satoshi’s Bitcoin stash has actually fired up heated argument amongst Bitcoin holders worried by the quantum computing risk. On Wednesday, Jameson Lopp and 5 co-authors released a Bitcoin Enhancement Proposition targeted at limiting the future motion of coins kept in quantum-vulnerable address formats, consisting of older coins whose public secrets have actually currently been exposed.
Blockchain information platform Arkham approximates that Nakamoto-linked wallets hold 1.09 million Bitcoin, presently valued at $81.6 billion.
Related: Bernstein states Bitcoin market currently priced in quantum threat
Back sees long runway on quantum
Back stated Bitcoin designers and holders still have significant time to prepare, arguing that a quantum advancement efficient in threatening Bitcoin signatures is at least twenty years away.
He argued that today’s quantum computer systems are “less effective than a $5 calculator” which a few of their problems end up being more pushing as these systems scale, such as their energy usage.
Back stated that runway must provide designers and users adequate time to establish a post-quantum course and move to a brand-new quantum-resistant basic underpinned by hash-based signatures.
In December 2025, Back’s Blockstream Research study launched a paper proposing a hash-based signature plan that uses a “appealing course for protecting Bitcoin in a post-quantum world,” as a quantum-safe replacement for the ECDSA and Schnorr signatures. Under the proposition, security would rely entirely on hash function presumptions, comparable to the ones presently utilized in Bitcoin’s network style.
The Elliptic Curve Digital Signature Algorithm (ECDSA) utilizes elliptic-curve cryptography to validate the credibility and stability of a message. Schnorr signatures are another signature plan applauded for boosting personal privacy and decreasing information size, due to their capability to integrate numerous signatures into one.
Publication: Bitcoin vs. the quantum computer system risk– Timeline and options (2025– 2035)