How do I set up a Tempo node for local testing?

You can install a Tempo node via pre-built binary, building from source, or using Docker, as detailed in the documentation. After cloning the repo and installing dependencies with 'just', run 'just localnet' to start a local network for development.

What are the gas fees on Tempo compared to Ethereum?

Tempo targets sub-millidollar gas fees (less than $0.001) paid in stablecoins, which is significantly lower and more predictable than Ethereum's often volatile and higher fees. This is achieved through a Fee AMM and optimized payment lanes.

Can I use my existing Ethereum smart contracts on Tempo?

Yes, Tempo is fully EVM-compatible, so contracts written in Solidity for Ethereum should work out of the box. However, you should test for any Tempo-specific optimizations or differences in the execution environment described in the docs.

Is Tempo secure for handling real money transactions?

Tempo uses the Reth SDK and Simplex Consensus for security, but it's still in testnet and undergoing audits. For production use, wait until audits are complete and the mainnet is launched with established security practices.

Tempo vs. other payment blockchains like Stellar or Ripple?

Tempo differs by offering full EVM compatibility and dedicated payment lanes within a blockchain architecture, whereas Stellar and Ripple use different consensus models and are not EVM-based. Tempo integrates with Ethereum tooling while optimizing for low-cost, high-throughput payments.

How to implement batched payments on Tempo?

Use Tempo Transactions, which are native smart accounts that support atomic batched payments. You can bundle multiple transfers into a single transaction, reducing gas costs and ensuring all operations succeed or fail together, as outlined in the guide.

Open-Awesome

tempo

Apache-2.0Rustv1.10.1

A blockchain designed specifically for high-throughput, low-cost stablecoin payments with built-in compliance features.

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968 stars297 forks0 contributors

What is tempo?

Tempo is a blockchain specifically engineered for stablecoin payments at scale. It solves the problem of high costs and unpredictable performance in existing blockchains by offering dedicated payment lanes, sub‑millidollar transaction fees, and built‑in compliance features. Its architecture is optimized for the needs of modern financial infrastructure.

Target Audience

Financial institutions, payment service providers, fintech platforms, and developers building high‑volume payment applications requiring predictable throughput and low costs.

Value Proposition

Developers choose Tempo for its payment‑first design, which provides predictable performance and cost, native compliance tooling, and familiar EVM compatibility—offering a specialized alternative to general‑purpose blockchains for financial use cases.

Overview

the blockchain for payments

Use Cases

Best For

Processing high‑volume stablecoin transfers with predictable throughput
Building fintech platforms requiring sub‑millidollar transaction costs
Implementing compliant payment systems with shared policy enforcement
Creating applications with batched payroll or settlement payouts
Streamlining user onboarding with fee‑sponsored transactions
Developing recurring or scheduled payment services

Not Ideal For

Projects building decentralized applications (dApps) for non-payment use cases like NFTs, gaming, or DeFi speculation, as Tempo's architecture is specifically tuned for financial transactions and stablecoins.
Teams requiring immediate production deployment with a fully audited, mature ecosystem and extensive third-party integrations, since Tempo is still in testnet and lacks a completed security audit.
Applications that need to support a wide range of non-USD cryptocurrencies or on-chain foreign exchange immediately, as these features are listed as 'coming soon' and not yet available.

Pros & Cons

Pros

Predictable Payment Throughput

Dedicated payment lanes for TIP-20 transfers eliminate noisy-neighbor contention, ensuring consistent performance for high-volume financial operations, as highlighted in the protocol specs.

Sub-Millidollar Transaction Costs

Gas fees are paid directly in USD-stablecoins targeting less than $0.001 per transaction via a Fee AMM, making microtransactions economically viable for payment apps.

Native Smart Account Features

Tempo Transactions enable batched payments, fee sponsorship, scheduled payments, and modern authentication via passkeys, streamlining complex workflows like payroll and onboarding.

EVM Compatibility

Fully compatible with Ethereum's toolchain, allowing developers to use Solidity, Foundry, and Hardhat without significant changes, reducing the learning curve.

Cons

Early Stage and Unaudited

Tempo is still in testnet, undergoing audit with no active bug bounty, posing significant risks for production use and limiting adoption for security-critical financial applications.

Limited Currency Support

Focus on USD-stablecoins at launch means applications requiring non-USD currencies or direct on-chain FX must wait for future updates, potentially delaying global or multi-currency implementations.

Vendor Lock-in Concerns

Adoption of Tempo-specific standards like TIP-20 and proprietary compliance features may make it difficult to migrate projects to other blockchains, increasing dependency on this ecosystem.

Frequently Asked Questions

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