Josef JelacicJosef Jelacic organized DAPP, a conference about decentralized applications in Prague.4 talks by Josef JelacicDeFi Mortgages - Case studyFirst Pure DeFi Mortgage - Bordel HackerspaceIt Is Time for Ethereum in Europe: Launch of the European Ethereum InstituteD2 AG Pavel Kral + Josef Jelacic Birdy IoT for birdsnests