v3.1.0 stable release

This is V3.1.0 public stable release

New Features

• Optimized network and DPoS parameters
• Finalized RPC and API
• Added new block explorer at https://dxscan.io/
• Enhanced staking web at https://staking.dxchain.com/
• Upgraded user assets from v2.0
• Updated developer docs at gitbook

Bug Fix:

• n/a

v0.2.1-Beta

v0.2.1 is a testnet beta version release. The data in the contract are all tests and will be inconsistent with the mainnet.

1. optimize dpos consensus operation.
2. complete dpos system contracts.
3. Integrate the contract into the dpos consensus.