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judymcconville@roadrunner.com 2017-05-02 10:34:47 -07:00
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@ -143,7 +143,7 @@ Jing's mining node maintains a local copy of the blockchain. By the time Alice b
During the previous 10 minutes, while Jing's node was searching for a solution to block 277,315, it was also collecting transactions in preparation for the next block. By now it has collected a few hundred transactions in the memory pool. Upon receiving block 277,315 and validating it, Jing's node will also compare it against all the transactions in the memory pool and remove any that were included in block 277,315. Whatever transactions remain in the memory pool are unconfirmed and are waiting to be recorded in a new block.
Jing's node immediately constructs a new empty block, a candidate for block 277,316. This block is called a _candidate block_ because it is not yet a valid block, as it does not contain a valid Proof-of-Work. The block becomes valid only if the miner succeeds in finding a solution to the Proof-of-Work algorithm.
((("Proof-of-Work algorithm")))((("consensus", "Proof-of-Work algorithm")))Jing's node immediately constructs a new empty block, a candidate for block 277,316. This block is called a _candidate block_ because it is not yet a valid block, as it does not contain a valid Proof-of-Work. The block becomes valid only if the miner succeeds in finding a solution to the Proof-of-Work algorithm.
When Jing's node aggregates all the transactions from the memory pool, the new candidate block has 418 transactions with total transaction fees of 0.09094928 bitcoin. You can see this block in the blockchain using the Bitcoin Core client command-line interface, as shown in <<block277316>>.