The end of a journey.

About half a year ago, I took a leap of faith. Back then me and my family had been living a very frugal lifestyle for a year and had some savings in crypto. When the price was around $600 we drove from the cold sweden down to sunny portu... read more

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Blockchain Analysis Versus CashShuffle: Tracking the 300 BCH donation to Bitcoin Unlimited
Blockchain Analysis Versus CashShuffle: Tracking the 300 BCH donation to Bitcoin Unlimited

The Bitcoin Cash community is raising funds for node software development. On 17 June, the donation counter for Bitcoin Unlimited suddenly jumped from 5 BCH to 305 BCH. The 300 BCH came from the single transaction a0f28991dfe01bf7b56e38ee... read more

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Understanding Schnorr Signatures
Understanding Schnorr Signatures

On May 15th of this year Bitcoin Cash will be activating a hardfork which introduces Schnorr signatures. This post is intended to be a very high level overview of the math behind Schnorr signatures (or at least the BCH variant) for people... read more

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Interviews in Venezuela: BCH sentiments on the ground

I recently commissioned (via the excellent lazyfox.io) some interviews about sentiments on crypto, and specifically BCH, in Venezuela. While this is the social circle of one person and hence should not be taken scientifically, I think it ... read more

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Making double-spending 0-conf with Bitcoin SV

(Sorry for my poor english, you can read the article in spanish at https://seguridadoverflow.com/2018/12/haciendo-doble-gasto-0-conf-en-bitcoin-sv/) I always wondered if it would be possible to double spend a 0-conf transaction in Bitc... read more

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Just one more leap of faith?

Since a couple years back, I've been unemployed and me and my family has been living off our savings. Those savings have been stored in crypto and as of late 2018 the value of our savings dropped below the cost of our debts. During this... read more

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eatBCH 1 Year Anniversary (Please Read)
eatBCH 1 Year Anniversary (Please Read)

Hi r/btc/! I’m José from eatBCH. Long time without making a post, but today is a special day. Today I’m excited to say that it is the 1st anniversary of eatBCH! Exactly one year ago, my brother Gabriel and I created this initiative/proj... read more

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The Bitcoin Cash Chronicles - 4.18.19

As usual, it's been an interesting week in the world of Bitcoin Cash. The big news was that BSV is getting delisted by various exchanges, but let's not talk about that. Instead, I thought I'd write about something I posted on reddit yest... read more

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BSV is NOT the Original Bitcoin

The central BSV talking point is that BSV is the original Bitcoin and that BTC and BCH are airdropped coins. This post will put this fallacy to rest. The following is a list of consensus rules enforced by Bitcoin SV that differ from the o... read more

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Stupidity or Malice

I really hate to have to pull a Giacomo here. Giacomo, of course, is the infamous Bitcoin Maximalist who declared that "Everyone who disagrees with me is either stupid or malicious!" I certainly don't believe that. I'm sure there are plen... read more

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Bitcoin Cash Guardians & Pirates in Sight

After reading some articles and comments concerning the events during the recent Bitcoin Cash network upgrade I decided to write down my thoughts on it.Guardians I always refer to miners as the guardians of the system. They are the ones ... read more

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Is Censorship Always Bad?
Is Censorship Always Bad?

Freedom of speech or freedom of self-expression has always been of the most argued concepts respecting its scope, its limit as well as its possible effects on an individual or a society. We could say that it has always been a popular conc... read more

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Why Not BSV?

“The root problem with conventional currency is all the trust that's required to make it work. The central bank must be trusted not to debase the currency, but the history of fiat currencies is full of breaches of that trust. Banks must b... read more

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What's coming for Honest in the next days: recommendations

We just have had a roadmap call with Rosco Kalis and Sercan Akman about the next steps for Honest Cash. Rosco and Sercan are part of the Honest team that have joined just recently. I have already worked with both of them on previous proje... read more

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Spending constraints with OP_CHECKDATASIG

Hashwar is over (wow, those 2 years of no trade have passed so quickly!). The dust settles. Let's explore some of the new capabilities of the opcode that we were fighting over during this war: OP_CHECKDATASIG. One of the limitations of B... read more

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Understanding Schnorr Signatures - Part 2

In my previous article I described the math behind Schnorr signatures as they are implemented in Bitcoin Cash. Peter Rizun responded with the following: I'd love to see a follow-up article in a similar style to explain signature aggre... read more

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  • Jul 29, 2019
Double spend proof just got real, a first implementation of proof-of-concept now exists as merge request to Flowee the Hub

In Bitcoin Cash the miners and nodes use a 'first seen' principle of receiving transactions, which means that accepting unconfirmed transactions (aka instant transactions) is generally speaking safe as any double spend will be rejected by... read more

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Update: Upvote transactions stored on-chain and open call to Bitcoin explorers
Update: Upvote transactions stored on-chain and open call to Bitcoin explorers

On Honest, writers can earn money when their stories are upvoted. The readers are also given the opportunity to earn Bitcoin by voting on good content early. Each vote costs a little fraction of Bitcoin and the payment goes to earlier vot... read more

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Honest Micropayments: Each upvote costs 10¢
Honest Micropayments: Each upvote costs 10¢

Honest is a social network and content publishing platform that allows writers, creatives and creators to earn Bitcoin for their quality content.Honest Cash and Micropayments Micropayments have been talked about since the 1990s. At that ... read more

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The Middle Road

I finally managed to sleep last night. I haven't had more than 3 hours sleep per day ever since the "hashwar". The last time I had a stretch of sleepness nights was when I first found bitcoin 6 years ago, and that was a heavenly 3 months.... read more

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