Hacker responds says to @Blockstream
OP_RETURN Please fix the bug first. The chain is under risk at latest commit right now. Make sure every node is patched. Then we will transfer the money back safely after confirming the fix.
Supply chain risks aren't just about bugs—they're systemic. That OP_RETURN warning reminds me of TSMC's vulnerabilities where single points of failure cascade. Patches help, but we need resilient architectures.