Researchers Build First Working Post-Quantum Defense for Bitcoin’s Lightning Network

What happened

JUST IN: East Texas A&M University students announce they've built the first post-quantum security solution for the Bitcoin Lightning Network pic.twitter.com/GJYL2a9g2G — Bitcoin Magazine (@BitcoinMagazine) September 22, 2026 In an announcement Tuesday, the team of researchers said that they built what they describe as the first full post-quantum security design for the Lightning Network. As first uncovered in a research paper in September, the team said they added post-quantum cryptography to Lightning’s communications, payment requests and related systems, implemented in Rust-Lightning.

Here’s how a research team appears to have cracked it. Bitcoin Magazine Researchers Build First Working Post-Quantum Defense for Bitcoin’s Lightning Network Whether or not quantum computers will break Bitcoin one day is a hot topic . Well, researchers from East Texas A&M University, North American University, Florida Gulf Coast University, and Florida Institute of Technology have been working on that.