Convert BOLDon Optimism to B
Swap BOLD (BOLD) on Optimism to BUILDon (B) at the best cross-chain rate. SwitchFi routes your BOLD → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
BOLD to B market data
| Metric | BOLD · Optimism | B |
|---|---|---|
| Price | $1.00 | $0.1646 |
| Market cap | $29.11M | $164.62M |
| 24h volume | $1.14M | $5.37M |
| 24h change | +0.11% | +4.10% |
| 7d change | +0.16% | -35.45% |
| 24h high / low | $1.00 / $0.9996 | $0.1657 / $0.1492 |
| All-time high | $1.02 | $0.7635 |
| Market cap rank | #647 | #188 |
What is the BOLD to B exchange rate?
At the current market price, 1 BOLD ≈ 6.0805 B, and 1 B ≈ 0.16446054 BOLD. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
In size terms BOLD is the junior asset: it is valued at $29.11M against BUILDon's $164.62M, a gap of about 5.7×. BOLD holds rank #647 while B holds #188 by market capitalisation. Over the past 24 hours BOLD is +0.11% while B is +4.10%, so the BOLD/B rate has moved in B's favour. Zooming out to a week, BOLD has moved +0.16% while B has moved -35.45%. Liquidity is ample on both legs — BOLD trades $1.14M a day and B trades $5.37M — so conversions execute at market rates. Measured from record highs, BOLD is down 1.5% and B is down 78.3%.
BOLD to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
BOLD / 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 BOLD and BUILDon
With a total market value of $29.11M, BOLD (BOLD) sits at #647 among all cryptocurrencies. It is trading 1.5% below its all-time high of $1.02. Circulating supply stands at 29.08M BOLD. Recent performance reads +0.16% over 7 days and +0.03% over the past month for BOLD. Around $1.14M of BOLD changes hands every 24 hours.
BUILDon (B) ranks #188 by market capitalisation at $164.62M. Compared with its $0.7635 all-time peak, it currently trades 78.3% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads -35.45% over 7 days and -39.61% over the past month for B. Around $5.37M of B changes hands every 24 hours.
How to convert BOLD to B
- 1 Enter the amount of BOLD on Optimism you want to convert — the swap widget on this page is prefilled with the BOLD → 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 BOLD
BOLDOptimism → BTC
Bitcoin
BOLDOptimism → ETH
Ethereum
BOLDOptimism → USDTEthereum
Tether
BOLDOptimism → BNB
BNB
BOLDOptimism → USDCEthereum
USDC
BOLDOptimism → XRP
XRP
BOLDOptimism → SOL
Solana
BOLDOptimism → TRX
TRON
BOLDOptimism → FIGR_HELOC
Figure Heloc
BOLDOptimism → HYPE
Hyperliquid
BOLDOptimism → DOGE
Dogecoin
BOLDOptimism → USDSEthereum
USDS
BOLD to B FAQ
What is the BOLD to B exchange rate?
1 BOLD is worth roughly 6.0805 B at the moment (inverted: 1 B ≈ 0.16446054 BOLD). This moves with the market; your wallet shows the exact executable amount before signing.
How to swap, exchange or convert BOLD to B on SwitchFi?
Type in how much BOLD you're converting, connect a wallet, check the quoted BOLD→B route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.
Is the BOLD to B swap instant?
Same-chain swaps settle in seconds; cross-chain routes typically take a few minutes while the bridge confirms on both sides. You can track live status until the funds land.
Are there fees to convert BOLD to B?
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 BOLD for B?
No. SwitchFi is a non-custodial router — connect a compatible wallet and swap. No sign-up, no KYC to use the on-chain swap.
Market data by CoinGecko, cached server-side. Prices are informational — the exact swap rate is quoted at execution time.