3 ms·

In his own example, it went from patent to useful in a few months. Blockchain has not gone from idea to useful at all yet.

• tummybug 5y ago
  That is a really hard to achieve definition of useful.
• Asraelite 5y ago
  Very very few people were using cars at that time. If you apply that same low threshold of usefulness to blockchain then it became useful just as fast, if not faster.