Bitcoins

1. BITCOINSPresentation by David Wong

2. Cryptocurrencies • Currency like the dollar $, euros €, … • Decentralized

3. • Pseudo-Anonymous (wallets) • Low fees (or none) • Fast • Usable anywhere. • Open source

4. The bitcoin Network • You deal with everyone’s money. • Trust the majority

5. Wallet • Private key/Public key • Your money comes from different input/output

6. Ledger • All transactions history • Page = Blocks • Input / Outputs is your money

7. Miners • Get bitcoins through mining blocks (rewards) (Proof of Work) • Write transactions in your block to collect fees

9. More info : www.bitcoin.org Thanks!

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