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The crypto industry is discussing a high-profile precedent as researcher Giancarlo Lelli received a reward of 1 BTC from Project Eleven for successfully cracking a 15-bit ECC key on a quantum computer. While some see this as the beginning of the end for classical encryption, Adam Back has led the camp of skeptics, stating that behind the loud headline lies ordinary statistics. Lelli used a cloud-based quantum computer and a modified Shor's algorithm to derive the key. Project Eleven highlights the progress over the past seven months - the complexity of cracked keys has increased from 6 to 15 bits, a 512-fold jump. By their logic, breaking Bitcoin becomes merely a matter of engineering refinement. The head of Blockstream, Adam Back, dismissed the claim entirely. According to him, the researcher did not solve the problem using a quantum method such as discrete logarithm computation, but simply checked outputs classically that are indistinguishable from noise. Back agrees with the explanation that Lelli's method is equivalent to simple guessing. At such a small key size of 15 bits, the probability of success through brute force is so high that the involvement of a quantum computer becomes an expensive decoration. Adam Back remains confident regarding quantum resistance. His view as of April 2026 is that quantum machines will first break state secrets and banking systems, not Bitcoin.
Premium gym chains are entering a “golden era” that is ending or already in decline, as rising operating costs collide with shifting consumer preferences toward more flexible, community-based ways to exercise. Long-term memberships are shrinking, margins are pressured by higher rents and facility expenses, and competition from smaller, more personalized…
