[Cryptography] Proof of Work is the worst way to do a BlockChain

[Dave Horsfall]

On Tue, 13 Feb 2018, Richard Clayton wrote:

> Basically the bad guys have more computers than the good guys ! (some of 
> which they have stolen, but spam is lucrative enough that they can 
> afford to buy them anyway -- so all you will ever do is to freeze out 
> low profit-margin spam).

I'd like to point out that in the spamming sense, "stolen" can also mean a 
compromised machine/website/etc, and there are likely millions of those 
(look up "botnet").

Remember the old adage: "There are two sorts of Windows computers; those 
that are compromised, and those that soon will be."

-- 
Dave Horsfall DTM (VK2KFU)  "Those who don't understand security will suffer."