This Valentine’s Day we’re sharing some of the most romantic transactions to ever occur on the blockchain, all viewable on the Blockchain.com Explorer.
The Blockchain.com Explorer is a Bitcoin block explorer and crypto transaction search engine, and beyond viewing numerical details of transactions, you can also view messages attached to transactions.
Etched forever (and ever) in code, the main way that users can include text with a transaction is through OP_return, a op code introduced back in 2014, in Bitcoin Core 0.9.0.
Through OP_return, users can store arbitrary data into the blockchain such as these Valentine’s Day notes: