What Is Shamir Secret Sharing for Seed Phrases? Shamir secret sharing for seed phrases is a method that splits your wallet’s master secret into several share groups, for example 5 shares, so that any 3 of them can rebuild the wallet while 2 or fewer reveal nothing at all. It is defined for hardware wallets…
What Happens to Your Bitcoin If You Die Without Sharing the Seed Phrase If you die without sharing the seed phrase, your bitcoin becomes unspendable forever. No court, bank, lawyer, or wallet company can recover it, because there is no password reset, no customer support line, and no central authority that can move coins without…
You want dollars. You do not want to sell your bitcoin. The question is whether you can borrow against coins that stay in your cold storage, with your keys still yours. The answer, as of October 2026, is: mostly yes, with one big asterisk. Here is what actually exists, what is marketing, and what is…
The core idea: connecting your addresses Every bitcoin transaction is written into a public ledger that anyone can read, forever. Your name is not printed next to your coins, but that is thinner protection than it sounds. Over the years, analysts have worked out a set of clever tricks for connecting the dots between addresses…
How to Store a Seed Phrase for Inheritance Planning To store a seed phrase for inheritance planning, you need a setup where your heirs can recover your bitcoin after you die, but nobody can touch it while you are alive. That means separating the knowledge of how to recover the funds from the ability to…
The $200,000 Morse Code Heist In May 2026, an AI agent gave away roughly $200,000 because someone talked to it in Morse code. The target was Bankrbot, a crypto trading agent operating on X. The attacker sent a wallet NFT to the agent’s infrastructure, then replied to a post by Grok with instructions encoded in…
The short version We coded every incident on the public physical attacks against Bitcoin holders list maintained by Jameson Lopp, from the first entry in December 2014 through September 29, 2026. That is 363 documented wrench attacks: kidnappings, home invasions, and other physical coercion like muggings, drugged trade partners, and ambushed over-the-counter deals. Attackers walked…
Will the money come back? Every exchange hack ends with the same question. Will the funds be recovered? We stopped guessing and built a dataset. Nine major exchange hacks, from 2014 to 2025, plus two fraud collapses for comparison. Every number below traces to a primary source: DOJ filings, trustee reports, a securities regulator, or…
The drain did not stop in July On July 30, 2026, attackers started emptying Coldcard hardware wallets. No one was phished. No device was touched. Wallets in safes and safety deposit boxes were drained while their owners slept. The story did not end there. September brought three real developments: hardened firmware releases, a white-hat recovery…
A few days after its much-discussed “can’t see vs won’t look” post, XYZVault announced its launch on Stacker News in June 2026: a privacy-focused multisig vault platform with a 30-day free trial. The announcement repeats the architecture from the discussion post and adds one useful conceptual frame: wallet-metadata privacy is a separate problem from private-key…
