# Freeze Sell

Freeze funds, generally used with proxy, send the inscription to zero address, or platform address.

<table><thead><tr><th width="101.33333333333331">Key</th><th width="126">Required</th><th>Description</th></tr></thead><tbody><tr><td>p</td><td>yes</td><td>protocol name，ierc-20, there is no difference between the two.</td></tr><tr><td>op</td><td>yes</td><td>proxy_transfer</td></tr><tr><td>freeze</td><td>yes</td><td>array object, Agent information.</td></tr></tbody></table>

For example:

```
// The buyer is buying and the seller's token is frozen;  send x eth from self to 0x0000000000000000000000000000000000000000 or 0x33302dbff493ed81ba2e7e35e2e8e833db023333 or platform address
{
  "p": "ierc-20",
  "op": "freeze_sell",
  "freeze": [
    {
      "tick": "ethi", // Seller Signature Information
      "nonce": (+new Date()).toString(), // Seller Signature Information
      "platform": "0x33302dbff493ed81ba2e7e35e2e8e833db023333", // Seller signature information: corresponding platform
      "seller": "0x22222222222222222222222222222222222222222222", // Freeze the corresponding seller
      "amt": "333", // Seller Signature Information
      "value": "0.001", // Seller Signature Information
      "gasPrice": "33988168450", // gasPrice
      "sign": sign // The seller authorizes the signature to verify the use
    }
  ]
}
```