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Bitcoin Bonds: Protect Your Principal, Capture BTC’s Upside.

Bitcoin Bonds pair U.S. Treasuries with spot Bitcoin. The structure is bespoke, based on interest rates at the time of issuance. Get both principal protection from U.S. Treasuries and uncapped upside from BTC. Here’s how they work, where the return comes from, and what you give up.

Blink Wallet Adds Inactivity Fee to Custodial Accounts, Accelerating Migration to Self Custody

Blink Wallet began charging a $1 monthly fee on custodial accounts inactive for 12 months, with the first charges processed by mid-October 2026 and full refunds on login.

Utexo Opens Utexo Mint Early Access for USDT on Bitcoin Ahead of November 28 Launch

Utexo has opened Utexo Mint, letting verified professional operators test minting, confidential transfers, and redemption of USDT on Bitcoin via RGB ahead of the November 28 public launch.

EDX Markets and VerifiedX Partner to Bring Verified Bitcoin (vBTC) to Institutional Markets

Partnership will bring vBTC to EDX Markets for institutional spot trading, while EDX joins the VerifiedX network as a validator, expanding institutional access to tokenized, programmable Bitcoin infrastructure.

The Real Estate Market Is Dead in Spain. Long Live Bitcoin.

A 2% rent ceiling against 4.9% September inflation, plus compulsory five- and seven-year renewals, rewrites signed leases. The Bank of Spain still puts the housing deficit near 750,000 homes.

Bringin Opens Euro Business Accounts for Bitcoin Companies Across 30 European Countries

The accounts run on MiCA-authorized infrastructure from Lightspark Payments Europe AS. Keys sit in a hardware security module, and only designated owners can move funds.

Coinkite’s Coldcard Bug Exposed Single-Sig Risk. Multi-Vendor Multisig Is the New Bitcoin Custody Baseline

Coinkite now forces dice rolls and key-press entropy on new Coldcard seeds. The lasting lesson from the July–August 2026 thefts is not to abandon self-custody — it is to stop generating every key on one vendor.

Chinese AI Beats Restricted OpenAI and Anthropic Cybersecurity Models, Bitcoin Industry Warns

Bitcoin company leaders and open-source developers report Chinese AI models delivering superior results on defensive cybersecurity work that restricted American frontier systems refuse, forcing reliance on them to secure critical infrastructure.

Breez Announces Glow, an Open Source Bitcoin to Stablecoins Progressive Web App

Breez’s new open-source Glow PWA turns Bitcoin into everyday money. Users send stablecoins from their BTC balance via Spark, log in with Passkeys, and keep full self-custody.

Bitcoin Red Team Finds 85 Critical Flaws Across 390 Open Source Repos After Coldcard Exploit

Triggered by the Coldcard RNG vulnerability that drained over $100 million, the Bitcoin Red Team led by Calle and Rob Hamilton has already filed 4,962 findings across 390 open-source projects using frontier AI models.

Coinkite Releases Fixed Firmware After Coldcard Bug; AI Likely Involved In The Breach

NVK stated that AI-assisted code review can now find latent bugs at a speed outpacing even the industry’s most seasoned experts, calling it a sober reality of the new AI paradigm.

Cloudflare x402 Integration Opens Door for Bitcoin in AI Agent Micropayments

Cloudflare's adoption of the x402 protocol enables websites to monetize data for AI agents via direct crypto payments, with Bitcoin and Lightning Network positioned as strong options alongside stablecoins for privacy and speed.

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