Panorama des applications des blockchains à l’énergie
2018
1 Workshop “Blockchain & Energie” Panorama des applications des blockchains a l’energie Sara Tucci CEA LIST Gilles Deleuze EDF R&D 2 Blockchain, what is it ? The term blockchain refers to •A data structure : ledger (register) organized as a chain of blocks •The protocol that allows to build the chain (cryptography, consensus rules…) But as well …with the more comprehensive term of Distributed Ledger Technology to 2-layer blockchain Smart contracts Digital assets Token economics Enabling Trust at the Internet Scale 3 Blockchains Cryptocurrency ≠ Blockchain Bitcoin is a cryptocurrency, Bitcoin’s blockchain is an implementa9on of the protocol like other cryptocurrencies (Litecoin, Dogecoin, Namecoin, …) Some blockchains are not crypto- currencies: Ethereum, Hyperledger, Tendermint, Oroboros Consensus and Openness Multiple consensus rules: Proof- of-Work, Proof-of-Stake, PBFT (Byzantine Consensus) Different types of control Public, open, authentication not needed Private/consortium with controlled access 4 • A MATURE TECHNOLOGY (IN GENERAL) • A « KILLER APP » • A COMPLETE SOLUTION • A CUSTOMER NEED A BLOCKCHAIN IS NOT… 5 Prolifera*on of ini*a*ves and a
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