Smaller coins are very inexpensive to double-spend. There was someone on hacker news some months back who collected donations to proof-of-concept abuse one or

Smaller coins are very inexpensive to double-spend. There was someone on hacker news some months back who collected donations to proof-of-concept abuse one or more. So a safer alternative would be a token coin on Ethereum, since you're not actually switching to a microscopic, unknown and thus abusable blockchain.