Yanick Borg No, Bitcoin has changed very little from six years ago. ...
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Yanick Borg No, Bitcoin has changed very little from six years ago. But the competence and capabilities of bitcoin attackers has improved. And bitcoin's development has been stifled by a core group of developers who profit from second layer "solutions". As a result, Bitcoin has lost many of the features required for a practical, censorship-resistant, electronic cash: low transaction costs, high transaction speed, privacy, and fungibility. For example, through a technique called "network analysis" governments and corporations can identify with high probability who controls bitcoin addresses and transactions between those addresses. (There are second layer techniques to obfuscate this information, but they're kludgy, complicated, expensive, and fragile.)