"The dawn of trustworthy computing"

2014-12-11

Nick Szabo:

On the Internet, instead of securely and reliably handing over cash and getting our goods or services, or at least a ticket, we have to fill out forms and make ourselves vulnerable to identity theft in order to participate in e-commerce, and it often is very difficult to prohibitive to conduct many kinds of commerce, even purely online kinds, across borders and other trust boundaries. Today's computers are not very trustworthy, but they are so astronomically faster than humans at so many important tasks that we use them heavily anyway. We reap the tremendous benefits of computers and public networks at large costs of identity fraud and other increasingly disastrous attacks.

Recently developed and developing technology, often called "the block chain", is starting to change this. A block chain computer is a virtual computer, a computer in the cloud, shared across many traditional computers and protected by cryptography and consensus technology. A Turing-complete block chain with large state gives us this shared computer. These block chain computers will allow us to put the most crucial parts of our online protocols on a far more reliable and secure footing, and make possible fiduciary interactions that we previously dared not do on a global network.

— "The Dawn of Trustworthy Computing"

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