# Smart Contract Specifications

TheAngel smart contracts are:

* ERC-compliant
* Audited
* Non-upgradable (immutable issuance rules)
* Multi-sig protected
* Compliance-gated

***

### Token Functions (Simplified)

#### Core Functions

```solidity
mint()
burn()
transfer()
balanceOf()
ownerOf()
getISIN()
```

***

### Compliance Layer Modifiers

```solidity
onlyKYCVerified()
onlyDuringLiquidityWindow()
onlyAdmin()
onlyMultiSig()
```

These prevent:

* Unauthorised transfers
* Secondary trading outside regulatory windows
* Trading by unverified investors

***

### Token Storage Structure

```solidity
mapping(address => uint256) balances;
mapping(address => bool) KYCVerified;
mapping(address => bool) transferLocked;
uint256 totalSupply;
string public ISIN;
```


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