Alexander Chepurnoy
Alexander Chepurnoy - IOHK
Nxt platform
Ardor
SmartContract.com
Scorex
TwinsCoin: A Cryptocurrency via Proof-of-Work and Proof-of-Stake
Ergo platform
Non-Interactive Proofs of Proof-of-Work
Improving Authenticated Dynamic Dictionaries, with Applications to Cryptocurrencies
Leonid Reyzin RWC 2017
The Miner's Dilemma