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Brazilian Tax Authority Reports Bitcoin Irregularities in Over 25,000 Statements
6.2.2024
The Brazilian tax authority has reported identifying cryptocurrency irregularities in more than 25,000 tax statements. After a country-wide investigation, the institution detected that 25,126 individuals who possessed at least 0.05 BTC failed to include these holdings in its income tax statements...
Replace-by-fee (RBF), explained
30.11.2023
Replace-by-fee (RBF) is a feature in Bitcoin that allows users to replace an unconfirmed transaction with a higher fee to expedite confirmation
Bitcoin Core’s Version 24.0 Full-RBF Proposal Sparks Controversy, Synonym CEO Calls ‘Pet Agenda’ an ‘Attack’
4.11.2022
During the last few weeks, a number of individuals have been discussing the upcoming release of Bitcoin Core version 24.0 and how the codebase will include full-replace-by-fee (RBF) logic. The discussion has become controversial as a few Lightning Network and zero confirmation advocates have...
The ‘Undo Button’ Wallet Tool Gives Users the Ability to Reverse Ethereum Transactions
12.11.2020
On Thursday, November 12, 2020, the blockchain firm Kirobo launched a tool that allows users to reverse ethereum transactions. Similarly to the replace-by-fee (RBF) protocol leveraged by bitcoin users, ethereum transactions can be reversed as well with Kirobo’s “Undo Button”...
A Number of Hong Kong Vending Machines Support Bitcoin Cash Payments Over BTC
4.6.2020
Just recently, cryptocurrency evangelist Roger Ver shared a video on Twitter that shows a number of vending machines in Hong Kong that accept bitcoin cash and ethereum, but not bitcoin. A bunch of people got upset at the Tweet, including the crypto-pundit Tone Vays because they couldn’t deal...
Why Double Spends on BCH Are Not the Same as Replace-By-Fee Fraud
3.1.2020
When it comes to creating a peer-to-peer electronic cash system, accepting zero confirmation transactions becomes critically important. When a model’s main aim is to “just hodl” or push an isolated store of value narrative, important concerns like double spending can take a back...
These Myth-Busting Articles Dispel Common Bitcoin Myths
22.12.2019
Recently, a few Bitcoin Cash (BCH) proponents have been writing a series of myth-busting articles that describe Bitcoin technicals generally thought to be true but which are not. The articles posted on the read.cash blog have reviewed topics like 10-minute confirmation times, SPV wallets,...
Travelbybit to Drop Bitcoin Payments After Viral Double Spend Video
20.12.2019
On December 18, Bitcoinbch.com published a video explaining how easy it is to double spend BTC transactions in the wild. Not long after the film was released, the payment processor Travelbybit announced it would be removing both BTC and BCH payments for over 400 Australian merchants. Unfortunately...
Video Shows How Easy It Is to Double Spend BTC Using RBF
18.12.2019
On December 18, the web portal Bitcoinbch.com published an informal notice explaining that merchants accepting BTC should switch to BCH because of “dangerous flaws” found in the BTC software. The problem is tied to slow confirmation times tethered to a BTC-based protocol called...