How it was stored
Instead of hiding data in a 20-byte hash, this method places data where a public key would normally appear. An uncompressed public key-sized field can carry much more data than a public-key hash.
More about P2FKWritten to the chain on 08 Apr 2013, block 233,620.
Instead of hiding data in a 20-byte hash, this method places data where a public key would normally appear. An uncompressed public key-sized field can carry much more data than a public-key hash.
More about P2FKEvery byte shown here was read from these transactions. Open one in a block explorer to check it yourself.