And rather than add anything new to the Thursday night comedy block, the network is sticking to what has (sort of) worked.

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It will see a new block built at the site, and along with three other facilities in England, will add 1, 260 new places for prisoners.

BBC: North Wales 'super' prison plan by UK government

The winner of the race gets to add its block to the blockchain, and in that block it can credit itself a fixed number of new bitcoins (currently 25 BTC) as a reward for participating in this process.

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