By CCN Markets: Weiss Crypto Ratings on Friday announced that it is downgrading the technology score of EOS, a blockchain protocol developed and distributed by Block.one. The US-based economic research agency said EOS has “serious problems with centralization,” three months after it put the project among the top three blockchains alongside Ripple and Bitcoin. Weiss argued that Block.one has taken no necessary steps to improve the protocol, adding that not even the firm’s event last week, wherein it announced Voice, an upcoming social media platform taking on a behemoth rival in…