Polkadot welcomes creatives and coders at free ETHDenver event
The annual event started on February 11 and will run until February 20 this year, there is a Polkadot bounty worth $15,000.
Manta Network Substrate Seminar Solidity Programmable Privacy Asset Powered Insured Bitcoin Origin Trail Origintrail Decentralized Knowledge
Source: invezz.com