Reduced Costs: Compared to existing financial systems, ERC20 tokens have cheaper transaction fees and costs since they do not require middlemen and enable shorter settlement times.
Due to their creation on the Ethereum blockchain, ERC20 tokens are decentralised, which means they are not owned or managed by a single body. The movement and ownership of these tokens are more transparent than with conventional, paper contracts because all transactions are documented and made public.
Programmability: Because ERC20 token development can be customised to do particular functions, such as providing automatic payments, voting procedures, or access control, they are programmable.

Security: ERC20 token transactions are very safe and resistant to hacking, fraud, and other nefarious acts because they are stored on the unchangeable Ethereum blockchain.

visit : ERC20 Token Development