Insights
Lessons from the field — AI agents, building companies, and finance.
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01
Crypto
Why Anonymous Bitcoin Trading Ends in 2026 — and What Stays Private Anyway
Binance had to halt its EU operations on July 1, 2026. The company blames postponed regulatory meetings; the Wall Street Journal points to compliance concerns instead. Four new rules kick in simultaneously in 2026. What they actually change, and what self-custody still explicitly protects.
30 September 2026 7 min -
02
AI Agents
How an AI Agent Actually Gets Its Own Wallet
An attacker gifted an AI agent an NFT in May 2026 — and that alone granted control over its wallet. The instruction to steal was hidden as Morse code. How wallets for autonomous agents are actually secured today, and why the permission itself becomes the vulnerability.
30 September 2026 8 min -
03
Crypto
Bitcoin & Web3 Basics: The Beginner's Learning Path
Nine articles, one learning path: how wallets come to exist, how transactions actually work, and what matters for your own security — three modules, ~28 minutes, with a progress tracker and the matching tools to try it yourself.
29 September 2026 4 min -
04
Crypto
How Safe Is Your Seed: 12 or 24 Words?
12 words mean 128 bits of randomness, 24 words 256 bits — but what is that in years? Why brute force is hopeless, PBKDF2 slows attackers further, and what no word count on earth protects against.
24 September 2026 3 min -
05
Crypto
Vanity Addresses: Expensive Fun That Costs Almost Nothing
Addresses like sol...8888 are no coincidence but compute: thousands of keypairs per second until the prefix matches. How vanity grinding works, what it costs (time instead of money), why security holds — and where the privacy catch is.
22 September 2026 3 min -
06
Crypto
Why QR Codes Belong to Crypto: Offline Bridge and Quishing Trap
Typing addresses is the most common source of error — QR codes solve it elegantly. How QR codes connect the offline and online worlds (paper wallets, air-gap signing), why private keys must never go into a QR code — and what quishing has to do with it.
21 September 2026 3 min -
07
Crypto
Why Ether Has 18 Decimals: Gas Economics in 5 Minutes
1 Ether = 1 billion Gwei = 1 quintillion Wei. Why Ethereum needs five units for the same currency, how a transaction is actually priced — and why your calculator lies about it.
17 September 2026 4 min -
08
Crypto
Why Addresses Need Checksums: Copy-Paste Traps and What Actually Protects You
One swapped character can cost millions — or nothing, thanks to built-in checksums. How bech32, Base58Check, and EIP-55 catch typos, why bc1q and bc1p are not interchangeable — and what no checksum in the world protects against.
17 September 2026 3 min -
09
Crypto
What Is a Nonce? The Small Number Transactions Get Stuck On
Number used once: on Ethereum the nonce counts your transactions — and a single gap blocks everything after it. What it is, why stuck transactions are almost always its fault, and how to get them moving again.
17 September 2026 3 min -
10
Crypto
UTXO vs. Account Model: Why Bitcoin and Ethereum Count Money Differently
Bitcoin has no balances — only unspent coins. Ethereum and Solana keep accounts with nonce and balance. Two bookkeepings, two fee logics, two privacies — and what that means for your transactions.
17 September 2026 4 min -
11
Crypto
Using a Hardware Wallet Right: The Setup Ritual That Protects Wealth
Browser tools are for learning — savings belong on a hardware wallet. Buy direct, verify, set up offline, seed on steel, test recovery: the ritual step by step, plus the 5 mistakes that undo everything.
17 September 2026 3 min -
12
Crypto
How a Wallet Actually Works: Seeds, Derivation Paths, and 5 Self-Custody Mistakes
Seed phrase, private key, address: three terms that keep getting confused. How 256 bits of randomness become a Bitcoin, Ethereum, and Solana wallet, which derivation paths apply — and the five self-custody mistakes that cost real money.
17 September 2026 6 min -
13
AI Agents
What Actually Happens When AI Agents Start Paying for Themselves
Five competing payment protocols for AI agents have launched since May 2025. Coinbase celebrates 205 million x402 transactions; actual settlement volume has dropped 93% since the start of the year. What's actually real behind the hype, and what comes next.
11 September 2026 9 min -
14
AI Industry
Why the Altman-Musk Feud Will Shape AI for the Next Decade
In May 2026, the jury took less than two hours to dismiss Musk's lawsuit against OpenAI, on a deadline technicality, not the merits. The legal fight is over. The actual power struggle isn't. An analysis of the one part of this conflict that will still matter in ten years.
10 September 2026 7 min -
15
AI
What's Actually Behind the AI Singularity
In physics, singularity means: equations break down here. Whether and when AI reaches that point — Kurzweil, Hinton, LeCun and Marcus are decades apart. A search for what can actually be measured.
10 September 2026 13 min -
16
AI Agents
What an AI Agent Actually Costs
Uber burned through its entire 2026 AI budget in four months, an extreme case, but an instructive one. Why AI agent costs behave so differently from classic software, and what that means for margins.
5 September 2026 5 min -
17
AI Agents
How to Actually Measure AI Agent ROI
56% of CEOs report neither more revenue nor lower costs from AI, per PwC. The usual reason isn't missing value. It's the wrong metric. A framework built on a finance lens for the problem.
4 September 2026 5 min -
18
AI Agents
Why Most AI Agent Projects Fail
Gartner expects 40% of agentic AI projects to be scrapped by 2027. MIT and BCG independently arrive at the same 5% success rate through completely different methods. What six current studies actually show, and what I see across 30+ founders.
3 September 2026 7 min