Peter Wuille is a Bitcoin Core developer and the co-founder of Blockstream. He is #2 in terms of commits to Bitcoin Core and is responsible for important improvements to Bitcoin like BIP 66, libsecp256k1, and Segregated Witness. Programming languages: C++, C, Perl, Java, Bash, (PG)SQL, Haskell, OCaml, PHP system administration: linux, apache, postgresql, ldap Specialties: programming languages, compilers, cryptography.