Digital ID related project:

There are many digital ID related projects, and based on different identity needs of people, things, institutions, etc., a very large number of related blockchain projects have been established. The figure below shows the distribution of some prominent projects.

III. Current Situation

Cross-chain applications are not just decentralized exchanges, they are designed to evolve into a payment system similar to e-mail and to develop a payment ID commonly used throughout the world. But at present, even the best known cross-chain decentralized exchanges account for only 5% of transactions. Although there are a lot of cross-chain projects, they are still far from being truly acknowledged.

a. Polkadot

Polkadot is a authorization-free, cross-chain public chain project launched by Parity Technology. It was founded by Gavin Wood, former CTO of Ethereum. They have adopted parallel chain technology (e.g. …


Currently, there are more than 1,900 blockchain projects on CoinMarketCap, which means we have at least 1,900 different cryptocurrencies. What if someone only accepts ETH, and you only have BTC? You can go to an exchange or have an off-site transaction. But why must we rely on the exchange? There have been many problematic cases with centralized exchanges, such as Mt.Gox, the exchange is already shut down.

Furthermore, ETH and BTC are too different in infrastructure to communicate with one other, so why can’t we find a way for direct transactions? The 1,900 cryptocurrencies are in fact like a thousand…


Every one of us is somewhat “forced” to have multiple identities on the Internet. Every platform or APP requires to register so you have to have many user names and passwords. According to statistics from GlobalWebIndex in 2017, a person has 7.6 accounts on average. If you take a glimpse at the number of APPs in your phone, you probably will understand why.

Many people think the usernames and passwords are difficult to memorize, so the same username and password are used in multiple applications. Well, it is convenient this way but it also creates security issues. If a database…


Co-founder of DREP

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