Bitcoin (rated C+) gets excellent scores for security and widespread adoption. But it is encountering major network bottlenecks, causing delays and high transactions costs. Despite intense ongoing efforts that are achieving some initial success, Bitcoin has no immediate mechanism for promptly upgrading its software code.
Ethereum (B), the second most widely adopted cryptocurrency, benefits from more readily upgradable technology and better speed, despite some bottlenecks.
Novacoin (D) and SaluS (D) are weak in terms of both technological innovation and adoption.
Steem (😎 enjoys a relatively good balance of moderate strength in nearly all the key factors considered along with a social network feature.
据联合早报消息，“末日时钟”是由美国芝加哥大学的双月刊《原子科学家公报》（Bulletin of the Atomic Scientists）于1947年所创立，警惕热衷于核武的人类终将自我毁灭，上次末日时钟距离午夜只剩2分钟是在1953年美国与苏联的冷战时期，当时双方正在试爆氢弹。
You can make the same argument about bitcoin. How is bitcoin decentralized if anyone who can acquire 51% hashing power can control it? And you can't change the hashing algorithm because unless people coordinate that change, they won't agree on the longest chain. 1/2
Heck, you can argue bitcoin is totally useless because unless everyone agrees on the chain validity rules, they can't agree on the longest, valid chain. So often I see anti-Ripple arguments that nobody would accept as valid if aimed at any other system.
liang hua, [26.09.18 11:30]
liang hua, [26.09.18 11:30]
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@QueryX hey, China closed down all the exchange and ICOs late last year. But OTC trading still very popular in China. Some Chinese owned exchanges basically move to hongkong or somewhere outside China and maintain operation with USDT pairs. (No fiat pair tho) Also no official statements says can’t own or trade crypto currency in China.