By Luc Olinga Wormhole, which connects the two most popular blockchains, Ethereum and Solana, is offering hackers $10 million to return the money. It’s a bad streak for the cryptosphere, a dark series likely not to reassure even the evangelists of this nascent industry, who claim with shout and horn that decentralized finance, or DeFi, is the future of financial services. These projects, which aim to use blockchain technology to remove intermediaries, want to make even the most complex and risky financial assets accessible to everyone. But its objective is likely to suffer from the many attack…