| S | Alternative Nodes, Light client infrastructure |
| A | Ouroboros Peras, Mithiril Enahancements |
| B | Hydra Development, Revised Stakepool Incentive Scheme, Optimization tools, Ouroboros Leios, Midgard Layer 2 Optimistic Rollup, Log-Structured Merge (LSM) Trees |
| C | Partnerchains, RSnarks, Inter-Head, Proof of Useful Work, Congestion control, Anti-Grinding, fastBFT, Decentralized identity and reputation management |
| D | Proof of Restake, Governance Improvements, Consensus Innovation |
| F | Timeless Market, Location-based services and smart contracts, Tokenomics design, Ledger App Re-write, State-Machine Contract Environment, Rewards sharing and transaction fees |
| ? | |
