Bitcoin core developer Jon Atack is telling users to hold off on transactions during the second week of August 2026, pointing to reorg risk tied to BIP-110’s activation window.
Key Takeaways:
Jon Atack warns traders to avoid bitcoin transfers in August 2026 near block 961,632.BIP-110 miner signaling sits at just 0.79% as of July 1, 2026.Luke Dashjr says upgraded nodes face no reorg risk once BIP-110 locks in.For holders who want to reduce exposure during the window, a few practical steps stand out.
Move funds off exchanges into self-custody before the mandatory signaling period begins. Defer large or time-sensitive transfers until confirmations stabilize after the deadline. Wait for extra confirmations, six to ten instead of the usual one to three, if a transaction cannot wait. Exchanges and infrastructure providers may increase confirmation counts for deposits. If funds are on an exchange, the operator may or may not acknowledge a chain split and the token that could transpire from it. It’s quite likely exchanges will be announcing preliminary plans for a chain split possibility before the deadline. What Happens After ActivationIf BIP-110 locks in, full data-limiting rules follow roughly 2,016 blocks after the mandatory signaling period ends, pushing full activation into mid-to-late August or early September. The rule then runs for about a year before expiring on its own.




















