Side by side
Machine Payments Protocol (MPP) vs Simplex BFT
Machine Payments Protocol (MPP) and Simplex BFT both operate in the Protocol & Core part of the Tempo ecosystem. Machine Payments Protocol (MPP) — An open standard for machine and AI-agent payments, co-authored by Stripe and Tempo.. Simplex BFT — Tempo's Byzantine fault-tolerant consensus, implemented by Commonware..
An open standard for machine and AI-agent payments, co-authored by Stripe and Tempo.
- Co-authored by
- Stripe and Tempo
- Sessions
- Open + settle in 2 on-chain transactions via a signed voucher
- Payments Directory
- Launched with 100+ integrated services
Simplex BFTmainnet
Tempo's Byzantine fault-tolerant consensus, implemented by Commonware.
- Implemented by
- Commonware
- Block time
- ~600ms, VRF leader election, deterministic finality
- Liveness
- Halts if >1/3 validators unavailable (safety over liveness)
The record
How they compare
| Field | Machine Payments Protocol (MPP) | Simplex BFT |
|---|---|---|
| Type | protocol component | protocol component |
| Category | Protocol & Core | Protocol & Core |
| Status | mainnet | mainnet |
| Chains | Tempo | Tempo |
| Website | — | — |
| Docs | Yes | — |
| GitHub | — | — |
| Confidence | 85% | 85% |
| Sources | 1 | 1 |
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Answers
Machine Payments Protocol (MPP) vs Simplex BFT: questions
- What is the difference between Machine Payments Protocol (MPP) and Simplex BFT on Tempo?
- Machine Payments Protocol (MPP) is An open standard for machine and AI-agent payments, co-authored by Stripe and Tempo.. Simplex BFT is Tempo's Byzantine fault-tolerant consensus, implemented by Commonware.. Both sit in the Protocol & Core part of the Tempo ecosystem.
- Is Machine Payments Protocol (MPP) or Simplex BFT live on Tempo?
- Both are live on Tempo mainnet. Machine Payments Protocol (MPP) is mainnet and Simplex BFT is mainnet.
- Should I choose Machine Payments Protocol (MPP) or Simplex BFT?
- It depends on your use case — both serve the Protocol & Core role on Tempo. Compare them on type, status, chains, integrations and source-backed confidence (Machine Payments Protocol (MPP): 85%, Simplex BFT: 85%), then read each full profile before deciding.