BUILDING A BLOCKCHAIN trial-and-error steps to
STEP 1
STEP 2
+ NONCE 2
+ NONCE 1
NEW BLOCK
HASH FUNCTION
X
X
0002wfdfertv5... WRONG! Try another nonce STEP 4
00jgkwt1gwv7ff... WRONG! Try another nonce STEP 3
HASH VALUE
Full Nodes (Miners)
STEP 5
New, longer updated blockchain
Previous blockchain
New block of transactions
American Consequences
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