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RE: Random Thoughts: How Hierarchical Blockchains Can Allow Mobile Devices To Become Full Nodes
Every node is supposed to know the limit on the amount and the current state.
When currency is created, if it is supposed to be approved, then how does an entire history help to verify that it is not forged?
It does not stem from any past transaction anyway and has to be approved by consensus anyway.
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For coins that obscure the values of the coins, this is a problem. This is mainly an issue with privacy coins:
https://zcoin.io/zcoins-privacy-technology-compares-competition and I'v seen some discussions here: https://www.reddit.com/r/Bitcoin/comments/115bpy/question_why_is_the_entire_blockchain_required/
Some people are just no willing to trust in the older blocks without a full history.
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