The Cothority is a weak link in the chain - you need to incentivize as large as possible, and diverse, Cothority -
One popular means of doing this these days is tokens/incentives to people to add machines and reward their work.
(Apologies for buzzwords coming:) A crypto, blockchain-based token sounds like a good fit.
Also, a link to a talk they gave on USENIX 2017 conf: https://www.youtube.com/watch?time_continue=1&v=xpT6L8htINU
The Cothority is a weak link in the chain - you need to incentivize as large as possible, and diverse, Cothority - One popular means of doing this these days is tokens/incentives to people to add machines and reward their work. (Apologies for buzzwords coming:) A crypto, blockchain-based token sounds like a good fit.