Posts Tagged NimbleCoin

Preventing Geographical Centralization of Cryptocurrency Mining with the LIMIO protocol

There has been much discussion recently about how to prevent mining pools. There are theoretical and practical¬†approaches. Nevertheless preventing mining pools is not the same as preventing geographical centralization. Mining pools incentives are: Reduce payoff variance. Reduce resource usage. Normally Bitcoin node would require more resources (memory,disk, bandwidth) than a pooled miner. Reduce exposition to […]

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Theoretical and Practical Nonoutsourceable Puzzles

The fact that GHash.io has reached twice 51% of the Bitcoin hashing power this year has pushed scientist and alt-coin creators to find for other proof-of-work puzzles that discourage mining coalitions. Several months ago I read the foundations of Nonoutsourceable Puzzles as proposed by Andrew Miller, and now his paper (working with Elaine Shi, Jonathan […]

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NimbleCoin can be Bitcoin’s Best Friend

The debate of what will happen with Bitcoin hashing power when the reward is halved around August 2016 is starting to boil in the bitcointalk forums. Some questions have been risen about the security of CPU-friendly alt-coins, such as LiteCoin and DogeCoin in the long run. The problem was summarized in one sentence: If the […]

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Even faster block-chains with DECOR protocol

One of the most interesting papers ever written about the Bitcoin block-chain design is “Accelerating Bitcoin’s Transaction Processing” by Sompolinsky and Zohar. The paper presents the GHOST protocol which aims to achieve higher TPS securely by changing the way nodes decide which is the best chain fork. The authors try to reduce the block rate […]

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The Roads to Innovation in Cryptocurrencies

Once upon a time there was Bitcoin and nothing else. History was being written by Satoshi and a few illuminated minds that posted the most interesting ideas in the Bitcointalk forums and IRC channels. Almost every cryptocurrency idea I’ve heard of had a seed in some of these heated online discussions. During 2009 improving every […]

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