Sending money internationally with stablecoins follows a four-step process: convert local currency into a stablecoin at an on-ramp, hold it briefly in a wallet, send it on-chain to your recipient, and let them convert it back to local currency at an off-ramp. The on-chain leg settles in under a second on purpose-built payment chains and costs a fraction of a cent — a sharp contrast to the 1–5 business days and 3–7% total fees that traditional channels typically impose.
Step 1: On-ramp — turn local currency into a stablecoin
Before you can send a stablecoin, you need one. An on-ramp is a service that accepts your local currency — by bank transfer, debit card, or cash — and issues or delivers the equivalent stablecoin to your wallet.
Common on-ramp types:
- Exchange on-ramps — Kraken, OKX, and other regulated exchanges let you buy USDC or USDT with a bank transfer and withdraw directly to a self-custody wallet. This is the cheapest path for large amounts.
- App-embedded on-ramps — Services like Transak, Banxa, or Stripe's onramp widget let apps accept fiat and deliver stablecoins in a single flow, often with card support.
- Remittance apps — Platforms like Felix or Flutterwave's Send App handle both the on-ramp and the cross-border send in one product; you may never see the stablecoin step at all.
What to check: the total cost of the on-ramp, including any spread between the buy price and the real mid-market rate. A service advertising "no fees" that quotes USDC at $1.015 is charging you 1.5%.
Step 2: Choose your stablecoin and chain
The two decisions — which stablecoin and which chain — determine the rest of the journey.
| Stablecoin | Issuer | Best for |
|---|---|---|
| USDC | Circle (US-based, regulated) | Transparent reserves, broad acceptance in the US and EU |
| USDT | Tether | Deepest liquidity globally, dominant in Asia, Africa, and LatAm corridors |
The chain matters as much as the token. USDT on Ethereum can cost $1–$5 per transfer at standard gas prices. USDC on Solana typically costs a fraction of a cent. USDT on Tron costs $1.44–$4.16 after the August 2025 energy-price reduction — cheap relative to a wire, but not negligible for small amounts. Purpose-built payment chains target fees under $0.001.
Match the chain to what your recipient can receive. If your off-ramp only supports Tron TRC-20 USDT, that is your chain. If your recipient uses an app that supports Tempo or Solana, you have cheaper options.
Step 3: The on-chain send
Once you hold the stablecoin in a compatible wallet, the send is a single transaction. You enter the recipient's wallet address (or scan a QR code), confirm the amount, and broadcast the transaction.
What happens on-chain:
- Your wallet builds a signed transaction.
- The transaction is broadcast to the network's validators or nodes.
- The network includes it in a block and reaches consensus.
- The recipient's balance updates — the transfer is final.
Finality is the key variable. On a chain using deterministic BFT consensus — like Tempo's Simplex BFT — finality is reached in under a second and is irreversible. On Ethereum mainnet, economic finality takes roughly 15 minutes. On Tron, it takes about a minute. For a sender, this means knowing precisely when the recipient can spend the funds.
Tempo's practical advantage here: because gas on Tempo is paid in the stablecoin itself (any USD-denominated TIP-20 token, converted automatically by a protocol-native Fee AMM), there is no separate gas token to source. A sender holding only USDC can pay, send, and cover gas — all from one balance. For a business automating thousands of payouts, this eliminates the operational overhead of managing a volatile gas balance.
Step 4: Off-ramp — turn the stablecoin back into local currency
At the destination, your recipient needs to convert the stablecoin to local currency, or spend it directly.
Off-ramp paths:
- Exchange → bank transfer — Recipient sells USDC or USDT on a local exchange and withdraws to their bank account. The exchange handles the FX conversion. Settlement is typically same-day to one business day.
- Remittance-app cash pickup — Services like MoneyGram (now a validator on Tempo) let a recipient pick up cash at an agent location. The stablecoin leg settled on-chain; the last mile is cash.
- Mobile money wallet — In markets where mobile money is dominant (M-Pesa in Kenya, GCash in the Philippines), some off-ramps connect directly to mobile wallets.
- Spend directly — A growing number of merchants, and neobank cards like those from Karta, let recipients spend USD stablecoins at point of sale without ever converting.
Total cost: stablecoins vs traditional channels
The World Bank's Remittance Prices Worldwide report put the global average cost of sending $200 at 6.36% in Q3 2025 — falling from 6.49% the previous quarter, but still far from the UN SDG target of 3% by 2030. Banks are the most expensive segment, averaging 14.99% per transfer.
Stablecoin rails compress this substantially:
| Method | Typical total cost (on a $1,000 send) | Settlement |
|---|---|---|
| Bank wire | $35–$50 sender fee + $10–$30 recipient fee + FX spread | 1–5 business days |
| Western Union (bank transfer) | ~3–5% total (varies by corridor) | Minutes to 1 day |
| Stablecoin (on-ramp + on-chain + off-ramp) | 0.5–2% total on mature corridors | Minutes |
| Stablecoin chain leg only | < $0.001 on payment-first chains | < 1 second |
The chain leg is essentially free. The cost sits in the on-ramp and off-ramp — which is why choosing providers matters, and why competition among remittance apps is pushing those margins down.
What can go wrong
Address errors — A stablecoin transfer sent to the wrong address is irreversible. Always paste addresses rather than typing them, and verify the first and last four characters.
Chain mismatch — USDC on Ethereum and USDC on Solana are different tokens on different networks. Sending to the wrong chain version of an address can mean permanent loss. Confirm the chain before sending.
On-ramp/off-ramp friction — KYC verification at either end can add hours or days the first time. For recurring transfers, completing verification upfront removes that delay.
Liquidity at the off-ramp — In thin markets, converting large amounts of stablecoin to local currency can move the exchange rate against you. For large amounts, check the off-ramp's quoted rate before committing.
The bottom line
Stablecoin international transfers are not a future technology — they are live infrastructure today, with on-ramps and off-ramps in most remittance corridors, and chain fees that are a rounding error at any amount above a dollar. The four-step flow is learnable in an afternoon. The cost advantage over banks and traditional MTOs is immediate. The main work is choosing reliable on- and off-ramp providers in your specific corridor — and verifying addresses twice before you hit send.