After months of anticipation, the payment giant Stripe and crypto venture capital firm Paradigm have officially launched the Tempo Layer 1 blockchain mainnet this Wednesday (March 18, 2026). This launch coincides with the release of the Machine Payment Protocol (MPP), an open standard developed jointly by Stripe and Tempo for autonomous machine-to-machine transactions. This significant event marks the deep involvement of traditional fintech giants in blockchain infrastructure, representing a major milestone in the industry.
The Tempo mainnet is now fully operational, allowing developers to build on it immediately via public RPC endpoints. Alongside the mainnet, the Machine Payment Protocol has been introduced, providing an open standard for payments between machines.
Since its inception, Tempo has positioned itself as a specialized alternative to general-purpose blockchains (such as Ethereum or Solana), aiming to meet the specific needs of high-frequency, real-world payment scenarios. According to official information from Paradigm, the design goal of this chain is to achieve transaction processing capabilities of tens of thousands per second, with finality certainty of less than one second, matching or even surpassing traditional credit card networks. Unlike most blockchains, Tempo does not require a native token to pay for gas fees; users can settle transaction costs using any major stablecoin through integrated automated market makers (AMM) and the TIP-20 standard. Currently, Tempo has not issued any tokens at launch, with the team citing regulatory clarity as a consideration.
Machine Payment Protocol: A Future Solution for the AI-Native Economy
The release of the MPP is the more forward-looking aspect of this announcement. Developed jointly by Stripe and Tempo, this protocol establishes an open standard for payments between machines (including software agents, AI systems, and automated processes) without human intervention. As AI agents increasingly autonomously execute business tasks, supporters believe that a dedicated payment channel will become an indispensable infrastructure. The architecture of Tempo is designed specifically for such application scenarios, with Stripe's CEO describing the chain as a “decentralized, internet-scale SWIFT” for the next generation of settlements.
The launch of the mainnet comes at a time of market turbulence, with geopolitical tensions and inflationary pressures broadly impacting cryptocurrencies and risk assets. However, for Tempo, timing may not be a critical factor—its core value proposition lies in structural rather than speculative aspects, betting that the next wave of blockchain adoption will be driven by truly scalable settlement infrastructure rather than rising token prices.