You asked for Change, We gave you Coins (Par Gonzague Grandval)
1. You asked for Change,
We gave you Coins
samedi 23 août 14
2. Bitcoin is an open
source internet
protocol published in
november 2008
http://bitcoin.org/bitcoin.pdf
Digital currency
P2P
Transaction
Network
samedi 23 août 14
4. A A
1DNYX2oTahJznnkZNjycmofhmQAhmHfeCQ
+
ECDSA Signature
B B
1CuGnAcQ8R93qhFR9DZfWwS8qtXME6W7pV
Id of previous transaction
+ Transaction amount
+ Sender’s public key (A)
+ Recipient’s address (B)
samedi 23 août 14
5. 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
samedi 23 août 14