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Культовый журнал о биткоине, технологии блокчейн и цифровой экономике. forklog hub Площадка для общения криптосообщества. Соединяем компании и пользователей.

#101: Bitcoin

What is ECDSA in Bitcoin?
ForkLog 27 29.05.2020

What is ECDSA in Bitcoin?

1 What is ECDSA? ECDSA (short for Elliptic Curve Digital Signature Algorithm) is a scheme based on elliptic-curve cryptography (ECC). The ECDSA algorithm uses an elliptic curve and a finite field to create signatures that anyone can verify while only the signer can produce them. In Bitcoin, the signed data are transactions that transfer ownership.
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What is CoinJoin? What is ZeroLink? What is STONEWALL?
ForkLog 39 06.05.2020

What is CoinJoin? What is ZeroLink? What is STONEWALL?

1 What is CoinJoin? CoinJoin is a technique for anonymising bitcoin transactions. 2 Who created CoinJoin, and when? The CoinJoin protocol was introduced in 2013 by Gregory Maxwell, a Bitcoin Core and Blockstream developer. 3 What problem does CoinJoin solve? Contrary to a common refrain, bitcoin does not offer full anonymity. Analysis of the public blockchain can link transactions to an individual. […]
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What is the Liquid Network?
ForkLog 25 15.04.2020

What is the Liquid Network?

1 What is the Liquid Network? Liquid Network is Bitcoin’s federated sidechain, serving as a settlement and payments network for exchanges, market-makers, brokers and other market participants. Built on the Elements codebase, it uses Strong Federation. 2 How did the Liquid Network come about? In autumn 2014 Blockstream published a white paper on sidechains titled Sidechain Elements. In June 2015 it released open-source code and a test network to let developers experiment with sidechain functionality.
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What is a 51% attack?
ForkLog 18 23.01.2020

What is a 51% attack?

1 What is a 51% attack? A 51% attack is a vulnerability of PoW blockchains that lets an attacker control transaction confirmation and block production. 2 What does controlling 51% of a network’s power enable? Attackers can hinder block discovery (selfish mining), perform double spends against service providers and exchanges, fork the main chain, block confirmations, and collect all rewards and fees during the attack.
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What is the Bitcoin halving?
ForkLog 34 05.11.2019

What is the Bitcoin halving?

Bitcoin’s halving is a programmed 50% cut to the block reward every 210,000 blocks to control issuance and inflation. It shapes miner economics and has often coincided with volatility; the next reduction, to 3.125 BTC, is expected in mid-April 2024 at block 840,000.
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How Bitcoin transactions are tracked
ForkLog 17 05.09.2019

How Bitcoin transactions are tracked

Bitcoin addresses are alphanumeric and pseudonymous, but every transaction is recorded openly, making activity traceable. Block explorers let anyone view balances, TXIDs and flows, while privacy tools such as CoinJoin provide only partial cover. For deeper, faster work, firms including Chainalysis, Bitfury’s Crystal and Elliptic sell analytics that link addresses, visualise flows and flag risks for exchanges and law enforcement.
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What is Segregated Witness?
ForkLog 20 25.04.2017

What is Segregated Witness?

1 What is Segregated Witness? Segregated Witness, or SegWit (literally “segregated witness”), is an implemented upgrade to the Bitcoin protocol proposed by the Bitcoin Core development team. Its aim is to optimise block capacity, which in turn should help address Bitcoin’s scalability, block congestion, confirmation speed and fees. Put simply, SegWit increases blockchain efficiency without increasing the block size.
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