The debate over Bitcoin's quantum threat has moved from theory to concrete protocol forks. Developer Paul Sztorc is launching a hard fork called eCash, which will reassign 50% of Satoshi Nakamoto’s 1.1 million unmoved coins to fund the project. He argues this radical step is necessary to bootstrap a network with built-in scalability via his BIP 300 drivechains and a sustainable security model. Sztorc's plan for Satoshi's coins predates but coincides with a separate proposal to freeze them.
That competing proposal, BIP 361, would force a migration away from all wallets with exposed public keys. Co-authored by Jameson Lopp, the soft fork would first stop new deposits to vulnerable addresses and, after a two-year grace period, invalidate spending from them entirely. The stakes are high - 34% of all Bitcoin, including Satoshi's fortune, sits in these quantum-vulnerable addresses.
“Ben Carman argues the network should freeze 'quantum-vulnerable' coins - those with revealed public keys, including Satoshi’s - before hardware catches up to the math.”
- Stacker News Live
On Stacker News Live, Keon explained that a quantum breakthrough could let Shor's algorithm break the public keys of about 20% of Bitcoin's supply. Jimmy Song countered that predicting the timing is difficult and that miners have an incentive to preserve Bitcoin's long-term value, making destructive attacks less appealing. Ben Carman warned the real risk is a shift in mining incentives, where miners could partner with quantum labs to reorg the chain for the loot.
“David Bennett dismisses the achievement as a marketing gimmick funded by Castle Island Ventures.”
- David Bennett, Bitcoin And | Bitcoin & Economic News
Some see the quantum alarmism as a strategic push. On Bitcoin And, analyst David Bennett dismissed a recent demonstration of breaking a 15-bit key as a marketing gimmick, arguing the gap to Bitcoin's 256-bit security is astronomical. He suggested backers like Nick Carter might be using quantum fears to steer users toward Ethereum-aligned, post-quantum solutions. While academic roadmaps suggest relevant quantum computers could emerge by 2027-2030, the community is divided between preemptive defense and unwavering immutability.
Sztorc’s eCash, launching in late August, forces a choice. It replays Bitcoin's transaction history, offering a 1:1 claim to holders, but seizes Satoshi's coins to fund what he calls a “sustainable fix.” He believes Bitcoin has stagnated, citing low user adoption and miners shifting to AI data centers. His fork is a direct challenge to the prevailing orthodoxy, turning a theoretical security debate into a live experiment in blockchain governance.
