Pay To Win: Cheap, Crowdfundable, Cross-chain Algorithmic Incentive Manipulation Attacks on PoW CryptocurrenciesMarch 2021 — Aljosha Judmayer, Nicholas Stifter, Alexei Zamyatin, Itay Tsabary, Peter Gaži, Sarah Meiklejohn, Edgar Weippl#bribing#ethereum#smartcontract