Convert BUIDLon Optimism to FRXUSDon Ethereum
Swap BlackRock USD Institutional Digital Liquidity Fund (BUIDL) on Optimism to Frax USD (FRXUSD) on Ethereum at the best cross-chain rate. SwitchFi routes your BUIDL → FRXUSD exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
BUIDL to FRXUSD market data
| Metric | BUIDL · Optimism | FRXUSD · Ethereum |
|---|---|---|
| Price | $1.00 | $0.9997 |
| Market cap | $2.38B | $109.69M |
| 24h volume | $0 | $3.42M |
| 24h change | +0.00% | +0.01% |
| 7d change | +0.00% | +0.02% |
| 24h high / low | $1.00 / $1.00 | $1.00 / $0.9995 |
| All-time high | $1.00 | $1.01 |
| Market cap rank | #38 | #251 |
What is the BUIDL to FRXUSD exchange rate?
At the current market price, 1 BUIDL ≈ 1.0003 FRXUSD, and 1 FRXUSD ≈ 0.999732 BUIDL. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
By market value the pair is uneven — BlackRock USD Institutional Digital Liquidity Fund's $2.38B dwarfs Frax USD's $109.69M by a factor of about 22×. On the overall leaderboard they sit at #38 and #251 respectively. Day-on-day, BUIDL printed +0.00% and FRXUSD printed +0.01%, meaning the exchange rate between them has held roughly steady. Across the last 7 days the comparison reads +0.00% for BUIDL versus +0.02% for FRXUSD.
BUIDL to FRXUSD converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
BUIDL / FRXUSD 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 BlackRock USD Institutional Digital Liquidity Fund and Frax USD
BlackRock USD Institutional Digital Liquidity Fund (BUIDL) is the #38 cryptocurrency by market cap, worth $2.38B in aggregate. It is trading close to its all-time high of $1.00. There are currently 2.38B BUIDL in circulation. BUIDL has moved +0.00% week-on-week and +0.00% over 30 days.
Frax USD (FRXUSD) is the #251 cryptocurrency by market cap, worth $109.69M in aggregate. The price is hovering near its record high of $1.01. Circulating supply stands at 109.72M FRXUSD. Recent performance reads +0.02% over 7 days and +0.04% over the past month for FRXUSD. Around $3.42M of FRXUSD changes hands every 24 hours.
How to convert BUIDL to FRXUSD
- 1 Enter the amount of BUIDL on Optimism you want to convert — the swap widget on this page is prefilled with the BUIDL → FRXUSD 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 FRXUSD 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 FRXUSD
BTC → FRXUSDEthereum
Bitcoin
ETH → FRXUSDEthereum
Ethereum
USDTEthereum → FRXUSDEthereum
Tether
BNB → FRXUSDEthereum
BNB
USDCEthereum → FRXUSDEthereum
USDC
XRP → FRXUSDEthereum
XRP
SOL → FRXUSDEthereum
Solana
TRX → FRXUSDEthereum
TRON
FIGR_HELOC → FRXUSDEthereum
Figure Heloc
HYPE → FRXUSDEthereum
Hyperliquid
DOGE → FRXUSDEthereum
Dogecoin
USDSEthereum → FRXUSDEthereum
USDS
Convert any other cryptocurrency from BUIDL
BUIDLOptimism → BTC
Bitcoin
BUIDLOptimism → ETH
Ethereum
BUIDLOptimism → USDTEthereum
Tether
BUIDLOptimism → BNB
BNB
BUIDLOptimism → USDCEthereum
USDC
BUIDLOptimism → XRP
XRP
BUIDLOptimism → SOL
Solana
BUIDLOptimism → TRX
TRON
BUIDLOptimism → FIGR_HELOC
Figure Heloc
BUIDLOptimism → HYPE
Hyperliquid
BUIDLOptimism → DOGE
Dogecoin
BUIDLOptimism → USDSEthereum
USDS
BUIDL to FRXUSD FAQ
What is the BUIDL to FRXUSD exchange rate?
Right now 1 BUIDL ≈ 1.0003 FRXUSD (and 1 FRXUSD ≈ 0.999732 BUIDL). Rates update continuously from live market data; the exact amount you receive is quoted in your wallet before you sign.
How to swap, exchange or convert BUIDL to FRXUSD on SwitchFi?
Enter the amount of BUIDL you want to pay, connect your wallet, review the quote and confirm. SwitchFi routes the swap across DEXs and bridges to the best BUIDL→FRXUSD path — non-custodial, straight from your wallet.
Is the BUIDL to FRXUSD 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 BUIDL to FRXUSD?
SwitchFi shows the network, DEX and bridge fees up front in the quote. You always see the minimum you'll receive before confirming — there are no hidden custody fees because you never give up control of your funds.
Do I need an account to exchange BUIDL for FRXUSD?
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.