Shieldz
Swap to and from Base
Base is an Ethereum layer 2 built on the OP Stack, incubated by Coinbase. It settles to Ethereum and pays gas in ETH, at a fraction of mainnet's cost. Shieldz gets prices for Base from NEAR Intents and Relay at the same time and shows you the best one before you sign.
What a $1,000 swap gets you
Quoted October 6, 2026. Updates live while this page is open.
What you can swap on Base
Base pairs
Before you swap
Gas on Base is paid in ETH. If you're arriving with a stablecoin, swap a little into ETH on Base first so you can move funds later.
Shieldz charges 0.15% per swap. MetaMask's built-in swap charges 0.875% and Phantom's 0.85%, so on $1,000 that is $1.50 here against about $8.75. Compare on your own amount.
Pay from Base with
Swapping Base: common questions
How do I swap to Base?
Open Shieldz Swap, pick the coin you have and ETH on Base as the coin you want, then paste a Base address you control. Shieldz shows a quote from each protocol, and you sign the deposit in your own wallet.
Which Base tokens can I swap?
Right now: ETH, BRETT, cbBTC, CFI, COCA, DEGEN, gtUSDCp, KAITO, laUSDC, mwUSDC, SOL, sparkUSDC, SSC1_PIT, sUSDC, SWEAT, TITN, USDC, USDT, VVV, WETH and FMS. The list comes from the router's live catalogue and grows as the protocols add assets.
How long does a swap to or from Base take?
The fastest route quoted today takes about 2 seconds. Times depend on the route and on confirmations on the chain you send from.
What does it cost?
Shieldz charges 0.15% on every swap. On top of that you pay the network fee on the chain you send from and the swap protocol's own pricing, which is already included in the quote. Wallet swap features typically charge 0.25% to 1%.
Which wallets can I use with Base?
To pay from Base: Ledger, Trezor, Keystone, MetaMask, Phantom, Rabby, Coinbase Wallet, OKX Wallet, Trust Wallet and WalletConnect. To receive on Base, paste any Base address you control.
Is it safe? Do I need an account?
There is no account and no sign-up. Shieldz never holds your funds or keys: you sign every swap in your own wallet, and the protocol sends the result straight to your address.
