The ERC20 mania

The Ethereum blockchain is a catchall

Being built on top of Ethereum is viewed as positive for a token. I think it should not.

So many tokens are on its blockchain, increasing its size rapidly. Ethereum is originally a SaaS network. I think it will be among the first tokens to have blockchain size issues, Steem too. If the size becomes unmanageable, every ERC20 token will suffer.

In order to minimize scalability issues, a good cryptocurrency must have its own blockchain. Privacy and smart contracts capabilities is a plus, but impact the size.

Some governments will force people to use cryptocurrencies issued by the banks and the state. Some will not. The free cryptocurrency that will be used every day to buy a coffee is a token with a dedicated and non-polluted blockchain and a short block validation time (<10s).

Bitcoin is slow, but it can scale. Transactions in Mempool are valid ones. If the block size is enough to process every transaction without a race on the fees, transactions could be accepted without confirmation. I think that will not happen and Bitcoin will only be used for big bills.

Ripple is not FREE. There are others... I bet on DASH

Image: https://www.ethnews.com/erc20-the-ethereum-token-standard