You send from your own wallet straight to the exchanger — nothing to connect,
no account, and you stay on this page throughout. Rates are indicative until
a swap is opened.
The swap is carried out by an independent exchanger and the deposit address
above is theirs. unidexai.xyz never holds, receives or controls
your funds, has no key to that address, and earns a referral commission.
Opening a swap sends your receiving address, IP, browser and timezone to the
exchanger for their compliance checks; we store none of it. Check their terms,
fees and country restrictions before sending anything.
When a customer is ready to pay, you need a unique receiving address for that specific invoice. BTCPay Server can generate a new address automatically for every invoice, so you never reuse an address. This is done by configuring your store to use a **derivation scheme** that supports address generat
Yes, exchange spreads vary by both time of day and trading volume. They also vary by the specific pair you are swapping, the exchange you are using, and the current market conditions.
Add every cost line the swap tool shows you - spread, network fee, service fee - then compare the result against the mid-market rate. That number, in percentage terms, is the total cost.
You see the exact route by reading the transaction logs on the source and destination blockchains after the swap completes. No tool shows you the full path before you confirm - only after the swap executes can you trace each step.
You see two numbers: the price before you click and the amount that arrives. The difference between them is not a single fee. It is a stack of costs, some visible and some hidden inside the exchange rate. Understanding the stack is the only way to know whether you paid a fair pri
When a swap routes through a middle currency, the price difference between your quote and what you receive is the sum of two spreads plus two sets of network fees. Each leg of the route - from your starting token to the middle currency, then from the middle currency to your targe
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The Block
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How to convert crypto: on-chain vs off-chain
Off-chain (on an exchange)
Your trade happens inside the exchange's own ledger. Nothing
touches the blockchain until you withdraw.
Cheapest and fastest for common pairs
Needs an account and usually ID verification
The exchange holds the coins until you withdraw them
Best for converting to and from cash
On-chain (a DEX or swap)
You swap from your own wallet. The transaction settles on the
chain and you pay its fee.
No account, no custodian — you keep the keys
You pay network fees, which vary a lot by chain
Small or new tokens often only trade here
Slippage and thin liquidity are real costs on low-volume pairs
Before any on-chain swap: check the token's contract address
against a block explorer, start with a small test amount, and review what you
are approving — an unlimited token approval to an unknown contract is how most
wallet drains actually happen.
Not financial advice. unidexai.xyz publishes market data and
general information about digital assets. Crypto assets
are volatile and you can lose everything you put in. Nothing here is a
recommendation to buy, sell or hold, and we make no price predictions.
Prices are sourced from third parties and may be delayed or wrong. Verify anything
you intend to act on against a primary source.