Proofofcast

Le dossier du ProofOfCast: les échanges https://cointelegraph.com/explained/crypto-exchanges-explainedhttps://www.youtube.com/watch?v=91f-QNSmzrA&feature=youtu.behttps://www.coindesk.com/0x-teams-with-starkware-to-bring-speed-to-decentralized-exchangeshttps://en.wikipedia.org/wiki/Cryptocurrency_exchangehttps://cryptocurrencyfacts.com/what-is-a-dex/https://coincentral.com/dex-decentralized-exchanges-explained/https://en.wikipedia.org/wiki/Decentralized_exchangehttps://news.coinsquare.com/learn-coinsquare/centralized-exchange-vs-decentralized-exchange/https://hacken.io/decentralized-and-centralized-exchanges-advantages-vs-disadvantages-aa9a27da4584/https://merehead.com/blog/decentralized-vs-centralized-cryptocurrency-exchange-dex-cex/https://medium.com/herdius/decentralized-vs-centralized-exchanges-bdcda191f767https://discover.ledger.com/hackstimeline/https://www.ledger.com/how-it-all-began-a-brief-history-of-bitcoin-cryptocurrencies/https://www.bitspark.io/blog-posts/the-entire-history-of-crypto-exchan