ERC20 token is  blockchain-based  which is similar functionality like bitcoin, ether, and bitcoin cash: it can be transferred
Erc20 token designed and used on Ethereum platform.
It can be
✓shared
✓Exchanged
✓Transfer

Rules for Ethereum platform
Token name
Symbol
Decimal
Total supply
Balance

Few Popular ERC20 Token

EOS (EOS)

TRON (TRX)

VeChain (VET)

ICON (ICX)

Binance Coin (BNB)

OmiseGO (OMG)

Zilliqa (ZIL)

Aeternity (AE)

It can be used in your business.