#bitcoin-and-cryptocurrency
5 posts
2026 - April
1 post2017 - December
1 post2017 - November
2 posts2017 - August
1 post2026 - April
1 postBitcoin on the Home Server: Sovereignty and Privacy with Coldcard, Sparrow and Fulcrum
I built a home Bitcoin stack with Coldcard, Sparrow, Fulcrum, and bitcoind: offline keys, private queries, and my own broadcast. It takes work, but gives me more control over custody and operations.
2017 - December
1 postCryptocurrencies: Is it a Bubble? Does it Matter?
The bubble may burst and Bitcoin may plunge, but that does not end the story: the author compares it to the dot-com bubble and argues for an antifragile bet limited to what one can afford to lose.
2017 - November
2 postsFrom 10k and Beyond: Discussing Crypto Currencies
The author responds to criticism about the bubble, energy, centralization, scale, and social role of cryptocurrencies. His conclusion is to avoid hype, study the fundamentals, and personally accept the risk of investing.
How does Bitcoin force consensus among Byzantine generals?
Bitcoin combines hashes, Proof of Work, mining, and adjustable difficulty to reach consensus among unknown nodes. Even with $1.5 billion in hardware, the network would remain difficult to break.
2017 - August
1 post[Off-Topic] Blockchain and Cryptocurrencies in Brazil
I shared recommendations for Brazilian companies connected to blockchain and cryptocurrencies, still as an investor without a project of my own. I also looked for professionals with hands-on experience to speak at THE CONF.