Blockchain: The revolution that hasn't quite happened

Blockchain was hyped as a secure and cheap way to store or retrieve data, but it is yet to take off.

from BBC News - Technology https://ift.tt/2SeEIAY
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Spain slashes speed limit on popular train route after fault found

The discovery of a crack on the Madrid-Barcelona line follows two recent deadly crashes in the country. from BBC News https://ift.tt/E4rRy...