The reason: months of automated, AI-assisted attacks on its infrastructure that the small team simply couldn’t patch fast enough. Boltz described the situation as a “major paradigm shift” for open-source Bitcoin services, a phrase that suggests the team doesn’t expect a quick return. What this means for investors and Bitcoin layer usersFor anyone who relied on Boltz for regular swaps between Lightning and Liquid, the immediate task is finding alternatives. Boltz carved out a niche precisely because few other services offered the same combination of non-custodial security and cross-layer flexibility. Boltz was a single point of failure for several significant wallets, including Aqua and Bull Bitcoin, and that dependency just got exposed.