During Chainlink’s Smart Contract Summit, Gilles Fedak, iExec CEO's, talks about iExec's involvement in the DeFi ecosystem from off-chain computing to data preserving.Smart Contract Virtual Summit #0 (SmartCon) is the premier conference dedicated to gathering decentralized finance (DeFi) developers, enterprises, dApp builders, node operators, researchers, and the community pioneering the furthest reaches of the wider smart contract and DeFi frontier.