https://handshake.org/files/handshake.txt https://handshake.org/files/handshake.txt <-- is good to read. Blockstack is in there. Handshake's security audit was

https://handshake.org/files/handshake.txt https://handshake.org/files/handshake.txt <-- is good to read. Blockstack is in there. Handshake's security audit was also done by Zcash. If you look in the project info, they list all the info there.