Coin Validation

bitcoin-fungibility
Why Bitcoin Fungibility is Essential
If coin validation is introduced, bitcoin's fungibility will be seriously compromised.
bitcoin-fungibility

Bitcoin Senate hearing virtual currencies
Whether or Not Bitcoin Needs it, Regulators are Going to Regulate
What are members of the bitcoin community trying to achieve with the bitcoin hearings today?
Bitcoin Senate hearing virtual currencies

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Anti-Theft Bitcoin Tracking Proposals Divide Bitcoin Community
Should bitcoin transactions be marked to prove they didn't come from criminals? Should identities behind bitcoin addresses be verified?
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