What if Wikipedia went on the blockchain—call it Blockapedia. In addition to the benefits of entries time-stamped into an immutable ledger, there could be more formal measures of one’s reputation that could help incent good behavior and accurate contributions. Sponsors could fund, or all editors could contribute money to, an escrow account. Each editor could have a reputation linked to the value of her account. If she tried to corrupt an article, stating for example that the Holocaust never happened, the value of her deposit would decline, and in cases of defamation or invasion of privacy, she
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