Convert FYN to B
Swap Affyn (FYN) to BUILDon (B) at the best cross-chain rate. SwitchFi routes your FYN → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
FYN to B market data
| Metric | FYN | B |
|---|---|---|
| Price | $0.0005705 | $0.1263 |
| Market cap | $261,330 | $126.32M |
| 24h volume | $1,398 | $3.31M |
| 24h change | +3.11% | -3.70% |
| 7d change | -3.30% | -4.60% |
| 24h high / low | $0.0005748 / $0.000549 | $0.1309 / $0.1257 |
| All-time high | $1.84 | $0.7626 |
| Market cap rank | #4141 | #228 |
What is the FYN to B exchange rate?
At the current market price, 1 FYN ≈ 0.00451644 B, and 1 B ≈ 221.4135 FYN. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
Affyn is the smaller side of this pair — BUILDon's market capitalisation of $126.32M is roughly 483× larger than Affyn's $261,330. On the overall leaderboard they sit at #4141 and #228 respectively. Over the past 24 hours FYN is +3.11% while B is -3.70%, so the FYN/B rate has moved in FYN's favour. Zooming out to a week, FYN has moved -3.30% while B has moved -4.60%. Daily turnover runs at $1,398 for FYN and $3.31M for B, so routed swaps between the two settle at market rates without moving the price. Measured from record highs, FYN is down 100.0% and B is down 83.4%.
FYN to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
FYN / 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 Affyn and BUILDon
With a total market value of $261,330, Affyn (FYN) sits at #4141 among all cryptocurrencies. The price sits 100.0% under the record high of $1.84. Of a maximum supply of 1.00B FYN, 458.01M FYN (46%) is already in circulation. FYN has moved -3.30% week-on-week and -10.60% over 30 days. Daily turnover comes to $1,398.
BUILDon (B) ranks #228 by market capitalisation at $126.32M. Compared with its $0.7626 all-time peak, it currently trades 83.4% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads -4.60% over 7 days and -25.40% over the past month for B. Around $3.31M of B changes hands every 24 hours.
How to convert FYN to B
- 1 Enter the amount of FYN you want to convert — the swap widget on this page is prefilled with the FYN → 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 FYN
FYN to B FAQ
What is the FYN to B exchange rate?
At current prices one FYN converts to about 0.00451644 B, and one B to about 221.4135 FYN. The figure tracks the market in real time — the binding rate is the one quoted at execution.
How to swap, exchange or convert FYN to B on SwitchFi?
Type in how much FYN you're converting, connect a wallet, check the quoted FYN→B route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.
Is the FYN 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 FYN 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 FYN 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.