>> But the overwhelming reason BC and similar cryptos should (not) exist is the ludicrous amount of
>> electricity involved in their generation and in transaction processing which must surely write it off
>> as regards having a meaningful share of real transactions. Electronic payments generally cost a few
>> pence but BT is somewhere around £100 a go.
>>
All of the major UK banks and others around the world are investigating using blockchains for financial security.
The electricity usage for generating BTC will not be required, but there will be an overhead for managing the blockchain.
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