There are people that help, and those that don&#x27;t, and I&#x27;ve got Chaum in the latter category. He has consistently tried to patent the crap out of anything he does and demand extortionate rates to license those patents. As a result nothing he does has any impact for 20 years except to show people what will eventually be possible.<p>If he had been Satoshi Nakamoto BitCoin would be another 10 years away from being available.