Yearn Classic Token Logo

EARN [Yearn Classic] Token

About EARN


Token 3 years
CoinMarketCap 3 years
[CoinGecko] alert: Yearn Classic has migrated from Ethereum to Binance Smart Chain

Yearn Classic (EARN) is the utility token for the Yearn Classic platform. It forms part of the DeFi and NFT ecosystem. A major advantage of EARN is that it allows users to stake their cryptocurrency assets in various different pools and in return users will be rewarded with EARN tokens.


Laser Scorebeta Last Audit: 30 November 2021

Token seems to be (relatively) fine. It still become a scam, but probability is moderate.



Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)

EARN._writeCheckpoint(address,uint32,uint256,uint256) (#975-985) uses a dangerous strict equality:
- nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber (#978)
Don't use strict equality to determine if an account has enough Ether or tokens.

Additional information: link

BSC20._approve(address,address,uint256).owner (#724) shadows:
- Ownable.owner() (#247-249) (function)
Rename the local variables that shadow another component.

Additional information: link

EARN.setGovernance(address)._governance (#786) lacks a zero-check on :
- governance = _governance (#788)
Check that the address is not zero.

Additional information: link

EARN.delegateBySig(address,uint256,uint256,uint8,bytes32,bytes32) (#883-894) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(now <= expiry,EARN::delegateBySig: signature expired) (#892)
Avoid relying on block.timestamp.

Additional information: link

EARN.getChainId() (#992-996) uses assembly
- INLINE ASM (#994)
Do not use evm assembly.

Additional information: link

SafeMath.sqrt(uint256) (#176-187) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version>=0.6.6 (#14) allows old versions
Deploy with any of the following Solidity versions: 0.5.16 - 0.5.17, 0.6.11 - 0.6.12, 0.7.5 - 0.7.6 Use a simple pragma version that allows any of these versions. Consider using the latest version of Solidity for testing.

Additional information: link

Low level call in SafeBSC20.callOptionalReturn(IBSC20,bytes) (#460-471):
- (success,returndata) = address(token).call(data) (#464)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable EARN._delegates (#825) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#211)" inContext (#201-215)
Remove redundant statements if they congest code but offer no value.

Additional information: link

burnFrom(address,uint256) should be declared external:
- EARN.burnFrom(address,uint256) (#820-822)
Use the external attribute for functions never called from the contract.

Additional information: link


Token is deployed only at one blockchain

Unable to find PancakeSwap trading pair to compute liquidity.

Unable to find PancakeSwap trading pair to compute number of swaps.

Twitter account link seems to be invalid

Unable to find Youtube account

Unable to find Discord account

BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link

Unable to find token contract audit

Unable to verify token contract address on the website

Unable to find audit link on the website

Unable to find whitepaper link on the website

Unable to find Telegram link on the website

Unable to find Twitter link on the website

Unable to find token on CoinHunt

Additional information: link

Young tokens have high risks of scam / price dump / death

Young tokens have high risks of scam / price dump / death

Token has a considerable age, but social accounts / website are missing or have few users

Token has relatively low CoinGecko rank

Price for EARN