# What is A3S V1.0?

A3S Protocol V1.0 gives addresses liquidity and integrability, enabling addresses to be securely traded, leased, and escrow. Also, it makes the address an on-chain infrastructure that can be transferred and priced.

Addresses under the A3S Protocol V1.0 standard have the following characteristics:

* #### Transferrable&#x20;

  The control right of the address is separated from the address itself, which can realize the complete transfer of the address.
* #### Composable&#x20;

  Transferable addresses remove limitations in numerous application scenarios, as infrastructure can be combined with different protocols.
* #### No private key &#x20;

  There is no private key in the generation process of transferable addresses, so there is no risk of private key leakage.
* **Applicable to existing NFT infrastructure**

  The control rights are separated out to NFTs, so that various existing NFT-based infrastructures can be applied to such addresses
