I felt too ashamed to admit it:

Despite its potential upside I never bought much #Bitcoin because security & key management always freaked me out.

Even with perfect entropy there is still storage risks, software risks, advances in math / technology that…

In light of this coldcard vulnerability. If you had a multisig with 3 keys holding most of your funds, does it make sense to put some bitcoin on the single sig addresses for all 3 seeds as a canary to know for whatever reason that key is compromised?

The more you fork around, the more you find out.

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It took a lot of pain to get here, but the "Summer of Seedsigner" is way more Bitcoin than "Paper Bitcoin Summer."

BESSENT’S $90B YEN INTERVENTION IS ALREADY LOSING ITS EFFECT

Scott Bessent made it a priority to push the Japanese yen lower through intervention. The effort reportedly cost roughly $90 billion, yet nearly half of the move has already been erased by the…

Bitcoin's Coinbase premium records a 77-day negative streak.

Bitcoin Fear & Greed Index falls to 25, Extreme Fear.

⛏️ New Ocean Block Mined ⛏️

Block Height: 961320
Fees: 0.054 BTC
Subsidy + Fees: 3.179 BTC
Difficulty: 126.23T
Solver: Roughnecks

https://mempool.guide/block/00000000000000000000bdfc4d4953b686343464af5bbe524c1a04f3a29a1d68

I was interviewed by Cynthia Dunlop for her "Write that blog!" series back in January, but I just realized I never linked to the interview from my own blog! It …

#Bitcoin

Anything look familiar?

Mintlify Index aggregates the docs of over 5000 Mintlify-powered documentation sites into a natural language retrieval layer for coding agents.

Me: so basically that’s what happened

Mrs. AH: you guys have a social problem where anybody who shows up and says I like whiskey, steak and guns and I hate the government immediately becomes part of the in group and then you all just like turn off your…

The advisory is for everyone, not only people running Knots (RDTS).

Example: the BIP-110 chain stalls, and a hard fork with a new PoW follows.

Anyone on Core or Knots (pre-RDTS) with Lightning channels open from before the split will likely be unable to…

We need more custody solutions that are in between faceless corporation custodying your funds and holding multisig keys yourself.

Um grupo internacional de desenvolvedores identificou 4.962 vulnerabilidades em 390 projetos relacionados ao ecossistema do Bitcoin após uma força-tarefa de auditoria apoiada por ferramentas de inteligência artificial.  Entre os sistemas analisados estão…

One thing I want to make perfectly clear: back in 2023 and early 2024, I was wrong about the role that LLMs would come to play. I underestimated their long-term importance. I have acknowledged this many times.

This was the moment I changed my mind, in December…

If the Coldcard incident was the first time you heard the words "entropy" or "RNG," you're not alone.

These aren't concepts most people who hold bitcoin think about, until they matter.

If you want to understand what actually happened, why it happened, and…

🎙️ Bitcoin Today — 8.6.26
Self-custody isn't just a feature-it's a mindset. Today we covered entropy, dice rolls, securing your bitcoin, the ongoing Coldcard case, & why multi-sig setups matter. We also discussed the looming BIP-110 deadline this weekend…

Over the last few days, we've received a lot of questions about Passport Prime, the technology behind it, and the security model we've built.

One topic that keeps coming up is QuantumLink.

If you're curious about how it works and why we designed it the…