// WRITING
Notes from a non-custodial
AI exchange.
How crypto exchange rates actually work. Why network fees fluctuate. How to verify a wallet address before you click send. Plain-English explanations of the systems Cambio runs on.
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How to Verify Your Wallet Address Before Every Exchange
Address mistakes in crypto are irreversible. Here's a step-by-step security checklist for verifying your destination wallet — and avoiding the most common mistakes.
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Understanding Crypto Network Fees: Why Gas Prices Fluctuate
Network fees are set by the blockchain, not the exchange. Learn how gas pricing works on Ethereum and Bitcoin, why fees spike, and how to time your deposits to avoid overpaying.
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ERC-20, TRC-20, BEP-20: Choosing the Right Network for Your Transfer
USDT and USDC exist on multiple blockchains simultaneously. Picking the wrong network when entering your receive address is one of the most common — and costly — mistakes in crypto.
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What "AI Swap" Actually Means at Cambio
"AI swap" is one of the most overused phrases in crypto right now. At Cambio it means something specific — and it deliberately doesn't mean some of the things you might assume.
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The Five Things You Can Ask Cambio's Composer
The chat input on the Cambio homepage is not an open-ended LLM. It recognizes exactly five categories of request. This post is the tour — what each category does, how to phrase it, and what happens under the hood.
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Why Cambio Shows Competitor Prices on Every Quote
Five other crypto exchanges, their live rates, side-by-side with ours, on every quote you see. Most instant exchanges do not do this. Here is why we do, what it costs us, and what the rules behind the "Best Rate by Cambio" pill actually are.
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No Wallet Connect, No Signing — Why Deposit-Address Swaps Still Make Sense in 2026
Wallet-connect went mainstream in 2026. Agentic wallets execute multi-step DeFi from natural language. So why does Cambio still use the simplest, oldest crypto-exchange flow on the planet — type a swap, get a deposit address, send your funds?
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How Cambio Prices a Swap in Under 200 Milliseconds
Press Enter on the composer. About 200 milliseconds later, a quote appears with the rate, the competitor strip, the settlement estimate, and a sentence of conversational narration. This post is the engineer's tour of that window — what happens, in what order, and why it has to fit in that budget.
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Cambio vs. Agentic Wallets: Different Problems, Different Solutions
2026 is the year agentic wallets — Bankr, deBridge's MCP server, Brian, Coinbase Smart Wallet — went mainstream. They put an AI agent inside the user's wallet. Cambio takes the opposite approach: the agent lives in our composer, the user's wallet stays untouched. Here is why both can be right, and which one is right for which job.
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"AI Doesn't Pick Your Route" — What Cambio's AI Actually Does, And What It Doesn't
Cambio is an AI swap product. The AI is also kept on a deliberately short leash. This post is the explicit list of what the AI is responsible for, what the AI is not allowed to touch, and the reasoning behind every line on both lists.
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Why Gemini 2.5 Flash Lite — Not GPT-5 or Claude — Runs Cambio's Composer
Most products that put a model behind a chat surface in 2026 reach for the smartest available frontier model. Cambio runs on Gemini 2.5 Flash Lite. Here is the actual engineering tradeoff that led to that choice — including the period we spent on a different fast-tier model first — and the conditions that would make us change our mind again.
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Why Cambio Shows One Rate, Not Two
Every other instant exchange asks "fixed or float?" before you swap. Cambio doesn't. There is no toggle. There will not be one. This is the post that explains what the toggle was actually solving, how we solve the same problem invisibly, and why removing the choice is a product feature.
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