August is #SGBlockchain Month! We've invited Roger Haenni, Co-founder & CEO of Datum - decentralized marketplace for social and IoT data, powered by Ethereum, BigchainDB and IPFS. Datum has closed a successful Token Sale last year and is working on a decentralized data store and data marketplace, a way for users to take back their data ownership. Roger is a serial entrepreneur in fintech and IoT.
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