First of all, no. Global, trustless coordination is a hard problem and is not necessarily illegal.
Second, legality is subjective around the world. It is currently illegal in the US to gamble online, for some reason, even though casinos and lotteries are a thing.
It is illegal in many countries to transfer a certain amount of money out of the country, for some reason.
Certain sexualities are illegal in quite a few countries.
Second, legality is subjective around the world. It is currently illegal in the US to gamble online, for some reason, even though casinos and lotteries are a thing.
It is illegal in many countries to transfer a certain amount of money out of the country, for some reason.
Certain sexualities are illegal in quite a few countries.
Illegal != bad