// 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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Moving USDT from Ethereum to Tron: what it costs, measured
Moving 100 USDT from Ethereum to Tron with Cambio delivered 99.47 USDT, and 1,000 delivered 996.05: a 0.38% rate margin plus a flat 0.15 USDT withdrawal fee. Our live quotes from 50 to 1,000 USDT on 7 November 2026, the way back, and what the Ethereum send itself costs.
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Swapping XMR to USDT or BTC: what it really costs
On 0.5 and 1 XMR, a swap to USDT or BTC with Cambio cost 0.40% to 0.66% below the market price; on 2 and 5 XMR, 1.05% to 1.53%. We read our own live quotes at 0.5, 1, 2 and 5 XMR on 5 November 2026. Here is why size matters on Monero.
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What moving USDT from Tron to BNB Smart Chain really costs
We read our own quotes at seven sizes, in both directions. The swap cost 0.38% plus a flat fee. On a small move out of Tron, the bigger cost was what Tron charges to send.
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We built a ChatGPT plugin that cannot move your money
OpenAI does not let a plugin execute crypto transfers, so ours only reads: a quote, the coin that pays a chain’s fee, a swap’s status. What it does, what it leaves out, and what we can see.
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How long does a crypto swap take? We timed 113 of ours
We measured 113 completed customer swaps from order to payout. The median was 6.9 minutes, most chains sat between about 5 and 7, and Bitcoin and Monero took far longer. Here is why.
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Swapping Monero (XMR): why it takes longer, and why your wallet may not show it yet
Monero adds a block about every two minutes, and a Monero wallet shows a payment only once it has synced. What that means when you send XMR to a swap, and when you receive it.
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What is the smallest swap you can make? Why each route has its own minimum
Every swap ends with a payout, and every payout costs a network fee. That is why each route has a smallest amount, why it differs from one route to the next, and how to find yours in one message.
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Sent a little more or less than the swap amount? Here is what happens
Wallets round, exchanges take their withdrawal fee out of the amount, and sometimes you simply type a different number. Here is what Cambio does when the deposit does not match the quote, in each case.
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Which network is my USDT on? How to check in a minute, before you swap
USDT is the same coin on Tron, Ethereum, BNB Smart Chain, Arbitrum, Solana, TON and more, and a swap needs the network you actually hold it on. Here is how to tell, from the address, the wallet or the exchange you withdrew from.
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Sent crypto on the wrong network? What happened, and how to get it back
USDT sent on BNB Smart Chain to an address expecting Ethereum, ETH sent on Arbitrum instead of Ethereum: whether you can get it back depends on one question. Who holds the keys to the address it landed on?
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Which coin pays the fee? Gas for USDT on Tron, BNB Chain, Ethereum, Solana and more
Every network charges its fee in its own coin, never in the token you are sending. Here is which coin each chain needs, the mix-ups that strand people, and how to top up the right one.
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USDT on BNB Smart Chain but no BNB for gas? How to get it moving
A USDT transfer on BNB Smart Chain is paid for in BNB, and an address with none cannot send at all. Why, how little BNB you need, the network mix-up that loses people money, and three ways to get BNB onto that address.
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USDT on Tron but no TRX for the fee? How to get your USDT moving
Sending USDT on Tron costs TRX, and an address with none cannot send at all. Why it happens, how much TRX one transfer needs, and three ways to get TRX onto that address.
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What $200 and $1,000 of BTC → USDT on Tron really cost: 716 checks of five exchanges’ own websites
We checked ChangeHero, Changelly, ChangeNOW, SideShift and SimpleSwap’s own websites every hour from 16 to 18 September 2026. On $200 of BTC → USDT on Tron, the cost ran from 0.90% to 3.18% below the market price; on $1,000, from 0.78% to 2.47%.
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Fixed vs Float: Which Exchange Rate Type Should You Choose?
When swapping crypto, the rate type determines how much you actually receive. We break down the difference between fixed and floating rates — and when to use each.
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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 Other Exchanges' Prices Beside Its Quote
Beside every Cambio quote you see reference figures for other well-known instant exchanges — checks of their own websites, or estimates marked Est. Here is what those figures are, what they are not, and why we publish every raw row behind them.
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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
Type a swap into the composer and a quote comes back: the amount you would receive, the network fee on its own line, and reference figures for other exchanges beside it. This is how that quote is built today, step by step.
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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, and there will not be one. This post explains what the toggle was actually solving, what Cambio's one rate means for you, and why removing the choice is a product feature.
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