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25 lines
831 B
Markdown
25 lines
831 B
Markdown
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layout: moneropedia
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entry: "Ring CT"
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terms: ["ringCT", "ring-CT"]
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summary: "a way to hide the amount sent in a Monero transaction"
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---
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### The Basics
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RingCT, short for Ring Confidential Transactions, is how transaction amounts are hidden in Monero.
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Ring CT was implemented in block #1220516 in January 2017. After September 2017, this feature became mandatory for all transactions on the network.
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RingCT introduces an improved version of @ring-signatures called A Multi-layered Linkable Spontaneous Anonymous Group signature, which allows for hidden amounts, origins and destinations of transactions with reasonable efficiency and verifiable, trustless coin generation.
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For more information, please read the creator Shen Noether's paper [here](https://eprint.iacr.org/2015/1098).
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{{ page.summary | capitalize }}.
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