Over the last 12 months, we’ve seen an explosion in BTC bridging infra. What was once a 3-hour WBTC minting window with a 1% fee has evolved into near-instant cross-chain swaps and sub-10 bps spreads. If you’re searching for the best Bitcoin bridge, here’s your go-to list.

We broke down 10 top BTC bridges by two of your favourite metrics: Speed & Fees. Here's how they stack up.

1. Optimex

Speed: ~10–15 minutes (1 BTC confirmation)

Fees: 1%

Pros:

• No AMM slippage
• Custody-less swaps

Cons:

• RFQ model depends on active makers
• Limited destination assets

2. Bitcoin Bridge by Electron

Speed: ~ 10-20 mins (1 BTC confirmation)

Fees: ~0.1% (withdrawal fee only)

Pros:

• BTC-native bridge
• Lowest cost (~0.1% fees)
• Very deep liquidity

Cons:

• Relatively new

3. Garden Finance

Speed: ~5-10 mins

Fees: 0.3%

Pros:

• Fastest non-custodial bridge
• No wrapping

Cons:

• Still gaining awareness among retail users
• Low liquidity (can't swap more than 5 BTC)

4. Relay

Speed: 20 mins(1 BTC confirmation or less)

Fees: ~ 0.2% + Network Cost

Pros:

• Extremely fast routing
• Broadest chain support

Cons:

• Relies on wrapped assets (e.g., WBTC)

5. ThorSwap

Speed: ~30-40 minutes

Fees: ~0.9% total (AMM model)

Pros:

• Native asset swaps (no wrapping)
• Proven decentralization (THORChain security)

Cons:

• Slower than newer bridges
• Higher slippage for large swaps
• Have been compromised in the past

6. deBridge

Speed: Under 1 minute (for wrapped assets)

Fees: ~0.05%–0.1% average; highly optimized

Pros:

• Smart routing via makers
• Extremely low latency across chains

Cons:

• BTC mints not instant on-chain
• Also relies on wrapped assets

7. Across

Speed: 3 minutes

Fees: 0.05%

Pros:

• Fast bridging

Cons:

• Very limited token pairs
• Can’t bridge native BTC

8. Avalanche BTC.b

Speed: ~1–2 hours (multiple confirmations + SGX process)

Fees: $3 to bridge in, $20 to bridge out (flat) + Bitcoin transaction fee (<$2)

Pros:

• Deep liquidity on Avalanche
• No % fees, good for whales

Cons:

• Fixed fees harsh on small users
• Doesn’t directly connect to Ethereum

9. Changelly

Speed: typically 5–30 min (can extend during congestion) Fees: 0.25% service fee (floating) + network fee; fixed-rate quotes include the fee in the rate

Pros:

• Very simple UX
• Long track record

Cons:

• Not the cheapest once spread + network fee are included
• custody during execution (centralized aggregator).
• Slower redemptions (~6–12 hrs)

10. Chainflip

Speed: ~10–30 minutes (BTC swaps)

Fees: ~0.2% (plus 0.05% for Boost)

Pros:

• Seamless cross-chain AMM
• Deep liquidity and market-maker support

Cons:

• Boost swaps cost extra
• Protocol still ramping up integrations

TL;DR Table

Bridge	Speed	Fees	Type	Ethereum Support
BitcoinBridge	~10-20 mins	0.1% (Withdrawal fee)	Intent based	Yes
Optimex	~5 mins	1%	Custody-less RFQ	Yes
Relay	~20 mins	0.2% + Network Cost	Intent based	Yes
Garden	~5 - 10 mins	0.3%	Atomic Swap	Yes
ThorSwap	~30-40 mins min	0.6% total	Native AMM	No
deBridge	~under 1 min	0.05%–0.1%	Maker-based DLN	No
Across bridge	~3 mins	0.05 % + Network Fee	Intent based	No
BTC.b	~1–2 hrs	$3/$20 flat	Custodial wrap	No
Chagelly	~5-30 min	0.25% + Network Fees	RFQ	Yes
Chainflip	~10–30 min	0.2% + 0.05%	JIT AMM	Yes

More bridges, lower latency, better fees.

Bitcoin is finally becoming multichain.