According to Crypto Globe, after becoming the UK's first (and youngest) encryption billionaire last year, bitcoin exchange BitMEX co-founder Ben Delo signed The Giving Pledge, which means that he is willing to donate most of his wealth. For charity. Delo is the second encryption billionaire to sign The Giving Pledge. Coinbase co-founder and CEO Brian Armstrong signed the agreement in December last year. Odaily Sunday Remarks: The Giving Pledge is an initiative by Warren Buffett, Bill Gates and Melinda Gates in 2010 to encourage the world's wealthiest individuals, couples and families to publicly announce Most of his wealth is used for charity.