1. PoS Modification. Current PoS (based on CoinAge) is working very slowly due to the small supply, the difficulty is not growing and it can't secure the network. We very depend on PoW now... In PoS generation should participate inputs with less than 1 CoinDay or need to find the way how to accelerate the process of inputs maturation. - for reward of 1000 USD in 42

2a. Electrum server. Need to adapt and update electrum server for 42. Example: https://github.com/CryptoManiac/electrum-server/commits/master

2b. Electrum servers will give us ability to add 42 on Coinomi. Commit example:
https://github.com/Coinomi/coinomi-android/commit/3fb3a7e515d1d9afd8684e15d0dfc8d7eca51e6d

3. Electrum client for 42. Example, on NVC: https://github.com/CryptoManiac/electrum-nvc.

4. Make own explorer for 42.

5. Anonymity improvement. Ring signature implementation, example on Python: https://gist.github.com/badmofo/92a0aa7c305b44ed1de8

6. Add gettxout RPC. This will give us ability to add 42 on BarterDEX.

7. Add 42 on Bisq. Commit example: https://github.com/bisq-network/bisq/commit/27cfac63e1114d2fc848356d80a66a6cc14284cc

8. Dark theme for 42.