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The Future of Money

Meaty...
Let’s begin with the future of money that no one foresaw.

In 2008, in a wonkish paper that bore no relation to any sci-fi, the enigmatic Satoshi Nakamoto launched Bitcoin, “a purely peer-to-peer version of electronic cash” that allows “online payments to be sent directly from one party to another without going through a financial institution.” In essence, Bitcoin is a public ledger shared by an acephalous (leaderless) network of computers. To pay with bitcoins, you send a signed message transferring ownership to a receiver’s public key. Transactions are grouped together and added to the ledger in blocks, and every node in the network has an entire copy of this blockchain at all times. A node can add a block to the chain (and receive a bitcoin reward) only by solving a cryptographic puzzle chosen by the Bitcoin protocol, which consumes processing power.

Nodes that have solved the cryptographic puzzle — “miners” — are rewarded not only with transaction fees, but also with more bitcoins. This reward will get cut in half every four years until the total number of bitcoins reaches 21 million, after which no new Bitcoins will be created. As I argued here last November, there were good reasons why Bitcoin left gold for dead as the pandemic was wreaking havoc last year. Scarcely over a year ago, when just about every financial asset sold off as the full magnitude of the pandemic sank in, the dollar price of a Bitcoin fell to $3,858. As I write, the price is $58,746.
don-t-let-china-mint-the-digital-currency-of-the-future

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