Across vs. KyberSwap
Rift Research
Last updated
TLDR: Across is an intent-based interoperability protocol. KyberSwap is a multi-chain DEX aggregator. Consider Across when you are moving canonical USDC or ETH between major chains and care about speed. Consider KyberSwap when you want same-chain execution across multiple DEXs. Confirm the live winner on rates.gg.
What each protocol is
Across. Across is an intents protocol for bridging and cross-chain swaps. Relayers front destination liquidity. Across advertises approximately two-second fills on supported mainnet routes; actual timing depends on the route. Its intent settlement and refund mechanisms are separate from that initial fill. Official docs: Across Docs. App: across.to.
KyberSwap. KyberSwap is a DEX aggregator. Dynamic Trade Routing splits a swap across AMMs and order-book sources on the same chain. The suite also includes limit orders, zap-as-a-service, and a cross-chain swap path. Official docs: KyberSwap Docs. App: kyberswap.com.
Short version
| Dimension | Across | KyberSwap |
|---|---|---|
| Role | Intent-based interoperability protocol | Multi-chain DEX aggregator |
| Fee | Market-quoted relayer spread and LP fee; no separate flat protocol toll | Underlying pool fees plus any interface or integrator fee |
| Coverage | Supported mainnet networks, with availability determined by the exact token pair and route | Supported chains and liquidity sources listed in KyberSwap’s API and docs |
| Settlement | Canonical assets delivered by bonded relayers | On-chain against aggregated DEX liquidity |
| Trust model | Relayer-funded fills and the settlement and dispute mechanisms of the deployed Across contracts | Aggregator contracts plus each underlying pool |
| Good fit for | Canonical USDC and ETH transfers between supported chains | Same-chain execution across multiple DEXs |
| Docs | Across Docs | KyberSwap Docs |
Where each fits
Across may fit when:
- You are moving USDC or ETH between major supported chains
- Fast destination fills matter; confirm the estimate for your route
- You want a dedicated intent rail rather than a meta-aggregator
KyberSwap may fit when:
- The supported same-chain or cross-chain product fits your route
- You want split routing across many AMMs
- You also need limit orders or zaps in the same product
Key differences
Across and KyberSwap should be compared on the job you need to complete: the input asset, destination asset and chain, trade size, execution method and custody assumptions. They may overlap on some routes and complement each other on others. A broader chain list or faster advertised fill does not establish a better net rate. Compare executable quotes in the same window, including gas and every underlying step.
When to use which
- Use Across when you are moving canonical USDC or ETH between major chains and care about speed.
- Use KyberSwap when you want same-chain execution across multiple DEXs.
- If both can quote the same route, take the better net output after fees, time and settlement type. Check that print on rates.gg.
FAQ
Which is cheaper, Across or KyberSwap?
Neither has a universal price advantage. Across: Market-quoted relayer spread and LP fee; no separate flat protocol toll. KyberSwap: Underlying pool fees plus any interface or integrator fee. Compare executable quotes for the same size, destination and time window, including gas, underlying venue costs and any extra transfer. Expected output and minimum received are different figures; compare like with like.
Is Across a substitute for KyberSwap?
Only on overlapping pairs and chains. When both can quote the same route, take the better net output after fees and time. When only one supports the asset or chain, that one is the only option.
Where are the official Across and KyberSwap docs?
Across: Across Docs. KyberSwap: KyberSwap Docs. Live rate comparison: rates.gg.
Official sources
- Across docs: Across Docs
- Across app: across.to
- Across — Introduction: docs.across.to/introduction
- Across — Features and fill times: docs.across.to/introduction/features
- Across — API reference: docs.across.to/api-reference
- KyberSwap docs: KyberSwap Docs
- KyberSwap app: kyberswap.com
- KyberSwap — Swap overview: docs.kyberswap.com/user-guide/swap
- KyberSwap — Supported networks: docs.kyberswap.com/getting-started/supported-exchanges-and-networks
Get the Best of Both With Rift
Rift is a strong alternative to choosing between Across and KyberSwap. It brings routes from both together with additional venues on supported pairs, comparing available quotes to find the best net execution for your order. You get the strengths of both through one API.
Rift adds no router fee and uses secure hardware enclaves to enforce noncustodial execution. Underlying venue fees, spreads and network costs still apply, and availability depends on the asset, chain and order size. The live quote shows the route and expected output.