Please get acquainted with the protocols which are available to solve the SBHACK21 challenges:

Algorand:

https://developer.algorand.org/ 

NEAR:

https://hackmd.io/@nearly-learning/near-201

Youtube Channel

Rust Tutorial

Streamr:

https://streamr.network/docs/getting-started

Onboarding video: https://youtu.be/pRx-kqghgHk 

Extra tutorial video: https://youtu.be/WHmCSKq2CdI

Velas:

https://docs.velas.com/

Why Velas

Casper:

https://casperlabs.io/developers