This book constitutes the refereed proceedings of 5 workshops held at the 21st International
Conference on Financial Cryptography and Data Security FC 2017 in Sliema Malta in April
2017.The 39 full papers presented were carefully reviewed and selected from 96 submissions.
They feature the outcome of the 5th Workshop on Encrypted Computing and Applied Homomorphic
Cryptography WAHC 2017 the 4th Workshop on Bitcoin and Blockchain Research BITCOIN 2017 the
Second Workshop on Secure Voting Systems VOTING 2017 the First Workshop on Trusted Smart
Contracts WTSC 2017 and the First Workshop on Targeted Attacks TA 2017.The papers are
grouped in topical sections named: encrypted computing and applied homomorphic cryptography
bitcoin and blockchain research advances in secure electronic voting schemes trusted smart
contracts targeted attacks.
