Non-trivial tech part is something like a public-private keypair, except now/later key pair. Crypto-concrete that takes X yrs to drill thruhttps://twitter.com/jikkujose/status/865965077047812096 …
For eg, lock into vault with a regular private key, but link unlocking to something like a large traveling salesman problem that takes 5y
10:41 AM - 20 May 2017
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