Blockchain Regulation Matrix
The Blockchain Regulation Matrix (BRM) establishes a framework outlining the concerns of regulating the blockchain from both the government and the consumer perspective, and in doing so, provides a pragmatic and clear approach to Web3 regulation. The BRM outlines regulation aspects of the blockchain by viewing it as a blockchain stack in many layers starting with the electricity physically supporting the blockchain at the base layer, all the way to the process of offloading crypto to fiat currency. With centralization and decentralization on either side of the matrix, the primary objective of the BRM is to understand where and how regulation of the blockchain should be developed specific to each layer.
Beginning with the electricty supporting the blockchain, as you hover over the images of each row, you'll see the specifics for that topic within that layer. The left side refers to projects that are centralized, while the right side refers to projects that are decentralized. For example, if there was an organization or business that wanted to provide electricity to miners in their area, that would be a centralized project. However, if there was a solar farm operating as a DAO that wanted to provide electricity to miners, that could be a decentralized project.
There are two illustrations of the Blockchain Regulation Matrix below, a short-form immediately below and a long-form afterwards.
Hover over the icons to preview each topic, and click any icon to pin its details — the address bar then links straight to that cell, ready to share.
Computation-intensive Consensus Mechanismscentralized
This row applies only to the blockchains with computation-intensive consensus mechanisms.
Partially addressedEnergy-side rules touch industrial mining; the securities question is answered only by staff guidance.
Government Concerns
- Amount of electricity being used comparatively to similar technology that uses less
- Fault tolerant consensus
- Decryption Standards
- Mining pool concentration placing block production in a handful of operators
Consumer Risks
- High energy consumption leading to environmental concerns
- Potential centralization of mining power
- Vulnerability to 51% attacks
Cons to over-regulation
- Stifling innovation and development of energy-efficient consensus mechanisms
- Driving blockchain projects to operate in jurisdictions with more favorable regulations
- Disincentivizing network participation due to excessive compliance requirements
Cons to lack of regulation
- Lack of standardization leading to security vulnerabilities
- Potential for concentration of power among mining entities
- Difficulty in addressing fraudulent or malicious activities
Does blockchain technology currently exist to fulfill these obligations, and if so, what is it?
- Proof of Stake (PoS) consensus algorithms that require significantly less energy
- Byzantine Fault Tolerance (BFT) protocols ensuring fault tolerance
- Advanced encryption techniques for secure transactions and data privacy
Current regulatory landscape
- guidanceSEC staff statement on proof-of-work mining — US, 2025. Staff view that solo and pooled PoW mining rewards are not securities offerings.
- enactedMiCA sustainability disclosures — EU, 2024. Mandatory publication of consensus-mechanism energy indicators — disclosure chosen over the once-debated PoW ban.
- enactedNew York proof-of-work moratorium — US — New York, 2022. Targets fossil-fueled PoW permitting specifically — regulation attaching at the consensus-mechanism level.
Notable incidents
- GHash.io majority hash rate (2014) — A single pool briefly exceeded 51% of Bitcoin hash rate and voluntarily capped itself — proving pool concentration is a real, recurring dynamic.
- Bitcoin Gold 51% attack (2018) — Rented hash power double-spent ~$18M against exchanges, showing smaller PoW chains inherit PoW's model without its security budget.
- The Ethereum Merge (2022) — The largest PoW network migrated to PoS live, cutting energy use ~99.95% — the existence proof for consensus migration.