Vitalik Ends Devcon Talk With Sing-a-Long About Failed Ethereum Ideas
"Consensus by bet – that didn't work. Hub and spoke chains – that didn't work. Proof-of-proof-of-work – that didn't work. Hyper cube chains – that also didn't work!" Singing on stage alongside songwriter Jonathan Mann, ethereum founder Vitalik Buterin ended his keynote at Devcon4 in Prague on Wednesday, with a song that listed "the graveyard…