Vitalik Buterin has yet again put the trillions of crypto tokens that people routinely send to him to good use: this time, to help animals in need. On Wednesday, the Ethereum co-founder donated $532,000 worth of ETH to the Effective Altruism Fund’s dedicated Animal Welfare Fund. The crypto, he says, came from selling off all of the “animal coins”—animal-themed, Ethereum-based meme coins—that crypto users sent him over the last year. Meme coins routinely invoke animals—dogs, cats, ducks, you na...