Satoshi gave the key to Hal Finney to Decrypt the code.

"I just thought of something. Eventually there'll be some interest in brute force scanning bitcoin addresses to find one with the first few characters customized to your name, kind of like getting a phone number that spells out something. Just by chance I have my initials."

1. Satoshi sends from 12cbQLTFMXRnSzktFkuoG3eHoMeFtpTu3S

which says HomeFTP (San Francisco from Cryptonomicon)

And then he sends 4 more transactions to the following addresses:

1DUDsfc23Dv9sPMEk5RsrtfzCw5ofi5sVW

1 DUD, SF

1 Dude, San Francisco

1LzBzVqEeuQyjD2mRWHes3dgWrT9titxvq

----

13HtsYzne8xVPdGDnmJX8gHgBZerAfJGEf

Hts

The Heights

1ByLSV2gLRcuqUmfdYcpPQH8Npm8cccsFg

By LS

By Lake Street