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   block·chain

   /ˈbläkˌCHān/

   noun

   • 1. a system in which a record of transactions made in bitcoin or another cryptocurrency is maintained across several computers that are linked in a peer-to-peer network: "we can actually have a look at the blockchain and see evidence of what's going on"

   Word Origin early 21st century: from block + chain.

   Scrabble Points: 23

   • B

     3

   • L

     1

   • O

     1

   • C

     3

   • K

     5

   • C

     3

   • H

     4

   • A

     1

   • I

     1

   • N

     1

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