What is Haircomb?
Haircomb is a private post-quantum cryptocurrency that uses the BTC chain for consensus and could serve as reason to keep the BTC chain secure under the event BTC is destroyed by quantum computers. Additionally it stores data off-chain, allowing it to far outscale BTC in some cases. It was created by Natasha Otomoski who announced her currency in late 2019 on the BitcoinTalk forums.