U.S. Commerce Department Anchors Official GDP Data to Bitcoin
The U.S. Department of Commerce published a cryptographic hash of official GDP data to Bitcoin and eight other blockchains. The Bitcoin transaction created a verifiable public timestamp for a federal economic-data release and marked the first such blockchain publication by a U.S. federal agency.
On August 28, 2025, the U.S. Department of Commerce announced that it had published a cryptographic hash of the Bureau of Economic Analysis’s second-quarter GDP release to nine public blockchains, including Bitcoin. The department also published the Bitcoin transaction hash, allowing anyone to verify that the data fingerprint had been committed to the public ledger.
The mechanism was straightforward. Commerce downloaded the official GDP release, generated a SHA-256 hash of the file, and embedded that value through transactions or smart contracts depending on the network. A later reader can hash the same document and compare the result with the value anchored on-chain. If the file changes, the hash changes, making the blockchain entry useful as a public integrity and timestamping reference.
Bitcoin was only one of the networks used, so the event was not an endorsement of Bitcoin by the federal government; Commerce explicitly said it did not endorse any specific blockchain or associated service. Its historical interest lies in the fact that Bitcoin’s public ledger was used as infrastructure for authenticating official government data rather than solely for transferring monetary value.
The experiment documented a concrete federal use of Bitcoin’s transaction layer for data verification and showed how the network’s immutability and public auditability could be used outside payments without changing Bitcoin’s consensus rules.