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You asked for Change, We gave you Coins (Par Gonzague Grandval)
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Transcript of You asked for Change, We gave you Coins (Par Gonzague Grandval)
You asked for Change,We gave you Coins
samedi 23 août 14
Bitcoin is an open source internet protocol published in november 2008
http://bitcoin.org/bitcoin.pdf
Digital currencyP2P
Transaction Network
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P2P decentralized cloud computing
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AA
ECDSA Signature+
1DNYX2oTahJznnkZNjycmofhmQAhmHfeCQ
BB
1CuGnAcQ8R93qhFR9DZfWwS8qtXME6W7pV
Id of previous transaction+ Transaction amount+ Sender’s public key (A)+ Recipient’s address (B)
samedi 23 août 14
Verification of transaction funding by valid, unspent coins
Collection of n transactions in blocks
Hash of the n transactions = Merkle Root
Hash of the previous block
Payment address for generation transaction
Nonce
+++
SHA2562
= Hash 00000000000000000000000ba67ghy6khg9gfc324rfj75ggdsz3rttt4411
Generation Transaction = 25 bitcoins
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1Lv5DTEkdxtVVuFKujF2gcaaAs2AGuviwB
5HwjTqXKxHx5H4m2qWmyftJUJAdfUni1i97eWoH9H3Wkh4TGpP3
Cadeau !
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Money Over IP
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Le point commun
?
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Bitcoin Payment Gateway
Première place de marché régulée en
Europe
Marchands
0% / transaction
PAYBUY & SELL
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Solutions de paiement en Euro fondées sur le protocole bitcoin
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