Fee-less transactions on Ethereum

You can send funds through Loopring, from their Layer 2 solution to any Layer 1 ETH-account, without gas. Inside the protocol, you could be doing this for a while, but only between Layer 2 enabled wallets. Now you can send ether to any address from the Loopring wallet.

Loopring L2 to Ethereum L1
Loopring Layer 2 to Ethereum Layer 1

The defi-boom in summer came with the skyrocketing transaction fees, make the network almost unusable for average users. Layer 2 methods became also much important, for scalable, cheaper sending.