A quantum-resistant Bitcoin transaction has been mined for the first time.

What it means

This is a notable technical milestone: a Bitcoin transaction has been mined using a post-quantum signature scheme, meaning it is designed to be secure against attacks from future quantum computers. The transaction likely employed a new type of address or signature algorithm, such as Lamport signatures or a similar quantum-resistant primitive, making it the first of its kind on the Bitcoin blockchain.

Accuracy & sourcesGrounded

The claim stems from a Gizmodo article that reports on a named primary source, likely a developer announcement or a block explorer record. As a reputable secondary source reporting specifics, the core claim is solid, though the precise cryptographic details would need confirmation from the underlying technical announcement or the blockchain data itself.

How new

The article was published on August 30, 2026, making this genuinely new and not a recirculation of older material.

Go deeper

• Gizmodo article