Convert USDEon Optimism to B
Swap Ethena USDe (USDE) on Optimism to BUILDon (B) at the best cross-chain rate. SwitchFi routes your USDE → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
USDE to B market data
| Metric | USDE · Optimism | B |
|---|---|---|
| Price | $0.9994 | $0.1297 |
| Market cap | $4.24B | $129.74M |
| 24h volume | $104.32M | $3.28M |
| 24h change | -0.02% | -4.68% |
| 7d change | +0.00% | -0.30% |
| 24h high / low | $0.9997 / $0.9992 | $0.1358 / $0.1286 |
| All-time high | $1.03 | $0.7626 |
| Market cap rank | #24 | #222 |
What is the USDE to B exchange rate?
At the current market price, 1 USDE ≈ 7.7035 B, and 1 B ≈ 0.12981077 USDE. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
Ethena USDe brings the bigger balance sheet here: $4.24B in market capitalisation against $129.74M for BUILDon. On the overall leaderboard they sit at #24 and #222 respectively. Day-on-day, USDE printed -0.02% and B printed -4.68%, meaning the exchange rate between them has moved in USDE's favour. On a 7-day view the tape shows USDE +0.00% and B -0.30%. With $104.32M and $3.28M in respective daily volume, neither side of a USDE→B swap struggles for depth. USDE currently trades 3.3% below its all-time high, while B sits 83.0% under its own peak.
USDE to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
USDE / B conversion tables
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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 Ethena USDe and BUILDon
With a total market value of $4.24B, Ethena USDe (USDE) sits at #24 among all cryptocurrencies. The price sits 3.3% under the record high of $1.03. There are currently 4.24B USDE in circulation. Over the last 7 days USDE is +0.00%, and +0.00% across 30 days. Around $104.32M of USDE changes hands every 24 hours.
BUILDon (B) ranks #222 by market capitalisation at $129.74M. Compared with its $0.7626 all-time peak, it currently trades 83.0% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads -0.30% over 7 days and -21.50% over the past month for B. Around $3.28M of B changes hands every 24 hours.
How to convert USDE to B
- 1 Enter the amount of USDE on Optimism you want to convert — the swap widget on this page is prefilled with the USDE → B 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 B 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 B
Convert any other cryptocurrency from USDE
USDEOptimism → BTC
Bitcoin
USDEOptimism → ETH
Ethereum
USDEOptimism → USDTEthereum
Tether
USDEOptimism → BNB
BNB
USDEOptimism → XRP
XRP
USDEOptimism → USDCEthereum
USDC
USDEOptimism → SOL
Solana
USDEOptimism → TRX
TRON
USDEOptimism → FIGR_HELOC
Figure Heloc
USDEOptimism → HYPE
Hyperliquid
USDEOptimism → ZEC
Zcash
USDEOptimism → DOGE
Dogecoin
USDE to B FAQ
What is the USDE to B exchange rate?
At current prices one USDE converts to about 7.7035 B, and one B to about 0.12981077 USDE. The figure tracks the market in real time — the binding rate is the one quoted at execution.
How to swap, exchange or convert USDE to B on SwitchFi?
Type in how much USDE you're converting, connect a wallet, check the quoted USDE→B route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.
Is the USDE to B swap instant?
Speed depends on the route: same-chain trades are near-instant, while bridged cross-chain paths usually complete in a few minutes. Progress is trackable the whole way.
Are there fees to convert USDE to B?
The usual on-chain costs apply (network gas plus DEX/bridge fees), but they're disclosed inside the quote together with the minimum received. Nothing is charged for accounts or custody.
Do I need an account to exchange USDE for B?
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.