Convert CYSon Base to USDDon Ethereum
Swap Cysic (CYS) on Base to USDD (USDD) on Ethereum at the best cross-chain rate. SwitchFi routes your CYS → USDD exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
CYS to USDD market data
| Metric | CYS · Base | USDD · Ethereum |
|---|---|---|
| Price | $0.3365 | $0.9991 |
| Market cap | $54.11M | $1.50B |
| 24h volume | $38.58M | $2.41M |
| 24h change | -18.80% | -0.02% |
| 7d change | -57.20% | +0.00% |
| 24h high / low | $0.4216 / $0.3306 | $0.9995 / $0.9988 |
| All-time high | $1.78 | $1.24 |
| Market cap rank | #414 | #54 |
What is the CYS to USDD exchange rate?
At the current market price, 1 CYS ≈ 0.33676994 USDD, and 1 USDD ≈ 2.9694 CYS. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
Cysic is the smaller side of this pair — USDD's market capitalisation of $1.50B is roughly 28× larger than Cysic's $54.11M. On the overall leaderboard they sit at #414 and #54 respectively. The last 24 hours put CYS at -18.80% against -0.02% for USDD — the CYS/USDD rate has moved in USDD's favour. Across the last 7 days the comparison reads -57.20% for CYS versus +0.00% for USDD. Liquidity is ample on both legs — CYS trades $38.58M a day and USDD trades $2.41M — so conversions execute at market rates. CYS currently trades 81.1% below its all-time high, while USDD sits 19.6% under its own peak.
CYS to USDD converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
CYS / USDD conversion tables
Your payment wallet can't receive on — its address format differs.
Amounts include provider fees; ★ marks the best-value payment method. Checkout opens securely on the provider's site and is pre-filled with your connected wallet.
() on is not verified and may be a scam or an impostor of a well-known token. You could end up with a token you can't sell.
This browser has no crypto wallet. Pick your wallet app — SwitchFi will open inside its built-in browser, where you can connect.
The app didn't open — it may not be installed. You can still use SwitchFi from any wallet app:
- 1Open your wallet app (MetaMask, OKX, TokenPocket, TronLink…).
- 2Find the Browser / Discover / DApp tab.
- 3Paste this address and open it:
You have more than one wallet installed. Pick the one to connect.
Fetching live quote…
Live quote, net of DEX/bridge/gas fees. The final amount is confirmed in your wallet at execution.
Indicative estimate — the exact amount is confirmed in your wallet at execution.
About Cysic and USDD
Cysic (CYS) ranks #414 by market capitalisation at $54.11M. It is trading 81.1% below its all-time high of $1.78. Supply-wise, 16% of the 1.00B CYS maximum (160.80M CYS) is on the market today. Over the last 7 days CYS is -57.20%, and +17.20% across 30 days. Around $38.58M of CYS changes hands every 24 hours.
USDD (USDD) is the #54 cryptocurrency by market cap, worth $1.50B in aggregate. It is trading 19.6% below its all-time high of $1.24. Circulating supply stands at 1.50B USDD. Over the last 7 days USDD is +0.00%, and +0.10% across 30 days. Around $2.41M of USDD changes hands every 24 hours.
How to convert CYS to USDD
- 1 Enter the amount of CYS on Base you want to convert — the swap widget on this page is prefilled with the CYS → USDD pair.
- 2 Connect a compatible wallet: MetaMask, OKX, Trust Wallet, TokenPocket, TronLink, UniSat, Phantom and others.
- 3 Review the quoted route — the estimated and minimum amount of USDD on Ethereum you will receive, plus network, DEX and bridge fees, are all shown before you sign.
- 4 Confirm the transaction in your wallet and track the swap on the My transactions page until the funds arrive.
Other options to exchange USDD
BTC → USDDEthereum
Bitcoin
ETH → USDDEthereum
Ethereum
USDTEthereum → USDDEthereum
Tether
BNB → USDDEthereum
BNB
XRP → USDDEthereum
XRP
USDCEthereum → USDDEthereum
USDC
SOL → USDDEthereum
Solana
TRX → USDDEthereum
TRON
FIGR_HELOC → USDDEthereum
Figure Heloc
HYPE → USDDEthereum
Hyperliquid
ZEC → USDDEthereum
Zcash
DOGE → USDDEthereum
Dogecoin
Convert any other cryptocurrency from CYS
CYS to USDD FAQ
What is the CYS to USDD exchange rate?
At current prices one CYS converts to about 0.33676994 USDD, and one USDD to about 2.9694 CYS. The figure tracks the market in real time — the binding rate is the one quoted at execution.
How to swap, exchange or convert CYS to USDD on SwitchFi?
Enter the amount of CYS you want to pay, connect your wallet, review the quote and confirm. SwitchFi routes the swap across DEXs and bridges to the best CYS→USDD path — non-custodial, straight from your wallet.
Is the CYS to USDD swap instant?
If both assets live on the same chain the swap confirms within seconds. Cross-chain conversions add a few minutes of bridge confirmation time, with live status tracking throughout.
Are there fees to convert CYS to USDD?
All costs — gas, DEX fees and any bridge fee — are included in the quote before you sign, along with the guaranteed minimum you'll receive. There are no account or custody charges.
Do I need an account to exchange CYS for USDD?
No account is needed. You connect a wallet, approve the swap and receive the funds directly — there is no registration or KYC step for on-chain swaps.
Market data by CoinGecko, cached server-side. Prices are informational — the exact swap rate is quoted at execution time.