1 Why are Virtual Machines used in Ethereum? 2017-07-27T10:45:36.197

1 Are there any smart contract systems that are self executing without the need to have an external process to initiate a smart contract? 2018-10-10T20:27:11.973

0 Permissioned blockchains on EVM: are these private ledgers os it all on ETH main net? 2018-09-26T14:06:27.173