Crypto Consensus Mechanisms Explained: How Proof of…
By Damilola Esebame
AI summary of the source article
New blockchain consensus mechanisms are emerging to address limitations of Proof of Work and Proof of Stake. These include Proof of Intelligence, Proof of Personhood, and Proof of Trusted Execution.
Why it matters
These emerging approaches address different limitations in blockchain systems, including Proof of Work's energy consumption, potential concentration of influence in some Proof of Stake systems, and the use of automated accounts to manipulate online participation.
Key facts
- Bittensor's native token TAO reached a market capitalization of approximately $3.18 billion by March 2026.
- The World project reported over 17 million verified humans in its January 2026 year-in-review via its iris-scanning Orb system.
- Proof of Trusted Execution was proposed in a December 2025 paper and remains in the academic research phase as of October 2026.
Source excerpt · FinanceFeeds
KEY TAKEAWAYS Proof of Intelligence consensus mechanisms aim to direct computational resources toward artificial intelligence tasks rather than the arbitrary hashing puzzles used in Proof of Work. Proof of Personhood protocols aim to establish that each participant represents a unique human being, using approaches such as biometric verification, social graph analysis, or cryptographic proofs. The…