1、swap and lp

https://app.uniswap.org/

https://app.1inch.io/#/1/simple/swap/ETH

https://app.sushi.com/zh_CN/swap?inputCurrency=ETH&outputCurrency=0x6B3595068778DD592e39A122f4f5a5cF09C90fE2&chainId=1

未发币swap

https://swap.defillama.com/?chain=arbitrum&from=0x0000000000000000000000000000000000000000

https://app.slingshot.finance/swap/

https://www.odos.xyz/

https://bebop.xyz/trade?network=arbitrum+one&buy=&sell=WETH

bebop需配合活动徽章

2、nft 最大的买卖nft平台，新建nft，基本上是全链

https://opensea.io/

3、defi

全链资金流协议

https://app.superfluid.finance/

全链借贷

https://app.aave.com/?marketName=proto_arbitrum_v3

arb未发币项目精选

https://beta.contango.xyz/

期权交互

https://app.perennial.finance/earn

https://aboard.exchange/

合约交互

matic未发币项目精选

https://trade.brine.fi/?referral_code=GYAX99

4、投票 买相应的代币参与链上治理

https://snapshot.org/#/opcollective.eth

5、多链safe钱包（开通不同的链上多签钱包）

https://app.safe.global/eth:0x7f500b9Ec22458847F1F65cd39f0341974cd3C79/address-book

6、资管协议

https://debank.com/

L2 可以开通，目前支持eth，arb，op，bsc，matic

https://app.zerion.io/swap

swap 有全链

7、跨链

L0：stargate.finance

https://jumper.exchange/

https://www.bungee.exchange/

8、id域名

ens主网太贵了

https://d.id/

https://app.space.id/

bsc和arb域名

附各个链上王牌项目（都交互2次）：

ARB

https://radiant.capital/#/markets

https://app.gmx.io/#/earn

OP

https://synthetix.io/

https://app.velodrome.finance/

matic

https://quickswap.exchange/

bsc

https://pancakeswap.finance/

avax

https://traderjoexyz.com/avalanche