I am going to make a fool of myself by suggesting that a cryptocurrency might actually be useful. Bitcoin et al have negative social utility. They are pure speculative assets which enable people to gamble. Also bitcoin miners use as much electricity as Denmark. The problem is exactly the aspect which has made bitcoin famous and which bitcoin enthusiasts consider a strength — the enormous increase in the dollar price of bitcoin. This increase, and the recent sharp decline, make bitcoin useless as a means of exchange. Most firms don’t want to gamble.

So I (semi-seriously this time) propose botcoin which might have a more stable dollar exchange rate. The idea is to link the blockchain verification program to an official exchange.

Backing up, there are two very different sorts of web-servers related to bitcoin. One set, the bitcoin miners, implements the original idea using the Bitcoin shareware. They keep a copy of the ledger of all bitcoin transactions — the blockchain, race to create new blocks, and evaluate new blocks and add valid new blocks to the chain. The other servers are bitcoin exchanges in which bitcoin is traded for regular currency. They are not part of the original plan in which bitcoin would be traded for goods and services and function as a means of exchange. They have behaved badly with an unstable value of bitcoin (huge unpredictable Bitcoin deflation damages any use of bitcoin as a means of exchange as much as huge inflation would).

I propose linking the blockchain program to an exchange. So there would be an official botcoin exchange (this means it isn’t entirely free-entry shareware libertarian anarchism). If anyone were interested in a new cryptocurrency designed so that speculators can’t become rich (and pigs fly) there would be other unofficial exchanges.

The bitcoin program regulates the frequency of creation of new blocks to roughly one every six minutes. It does this by adjusting the difficulty of the pointless arithmetic problem which must be solved to make a new valid block. The idea was to limit the total amount of bitcoin which will every be created (to 21 million for some reason). This was supposed to make bitcoin valuable. So far it has succeded all too well (I am confident that in the end bitcoin will have price 0).

It is possible to make the supply of botcoin flexible so the dollar price doesn’t shoot up. I would aim at a price of, say, 1 botcoin = $1000. The idea is to make the pointless problem which must be solved to add a block easier if the dollar price of botcoin exceeds the target, and harder if it falls below the target. This should stabilize the price.

Now no one is really interested in cryptocurrency except as a way to gamble and take money from fools. But if anyone were, linking the blockchain program to prices on an exchange would make it more nearly possible to use the cryptocurrency as a means of exchange.

The system is vulnerable to a tacit agreeement to trade only on unofficial exchanges. It is necessary that the problem is also made easier if daily trading volume on the official exchange is zero. The problem is the price could shoot up on unofficial exchanges, but this would not affect the price on the official exchange if there were no transactions on the official exchange.

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