Vol. 1 · 7 Jun 2026
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Cubist

Secure key management and signing.

Website ↗
Data completeness
17%
Confidence
93%
Sources
1
Last reviewed
7 Jun 2025
The take

What to know

Cubist is a hardware-backed key management provider in the Tempo ecosystem, primarily offering the CubeSigner platform. It enables builders to automate secure digital-asset operations and wallet custody using EVM-compatible signing, rather than operating network-level infrastructure like RPC nodes or explorers.

Best for

  • +Teams automating treasury or protocol operations requiring hardware-backed, policy-controlled signing
  • +Builders needing non-custodial or embedded wallet infrastructure on EVM-compatible networks like Tempo

Watch out

  • Integration with Tempo relies on general EVM compatibility; there are no public Tempo-specific endpoints or smart contracts deployed.
  • Despite being categorized broadly under 'Infrastructure', Cubist does not provide RPC, oracle, or explorer services.
The record

Key facts

Core Product
CubeSigner, a hardware-backed key management and remote-signing platform (Wallet-as-a-Service) featuring role-based access and policy controls.· 93%
The timeline

History

  • 2023-03

    $7M seed round

    Cubist announced a $7M seed round led by Polychain Capital to build secure, scalable dApp development tooling.

  • 2023-04

    Hardware-backed platform launch

    Cubist launched a hardware-backed, non-custodial key-management platform for Web3 infrastructure teams.

  • 2023-11

    CubeSigner Wallet-as-a-Service

    Cubist publicly released CubeSigner WaaS for hardware-backed key generation and signing.

  • 2024-03

    AWS Architecture Feature

    AWS published a write-up describing CubeSigner as a secure platform built on AWS Nitro Enclaves.

  • 2026-06

    Tempo Ecosystem Listing

    Tempo's ecosystem directory lists Cubist as a partner under Developer Tools, Infrastructure, and Wallets.

Questions

FAQ

What is Cubist's role in the Tempo ecosystem?
Cubist provides hardware-backed key management and transaction signing infrastructure for developers, helping them safely automate digital asset operations and wallet deployments.
Does Cubist offer a Tempo RPC endpoint or block explorer?
No, Cubist exclusively provides key management and signing services, not public network node, RPC, or block explorer infrastructure.
How does CubeSigner secure private keys?
Keys are generated and stored within hardware-sealed environments, such as AWS Nitro Enclaves coupled with HSMs, ensuring the keys never leave secure hardware.
How can Tempo builders integrate with Cubist?
Since Tempo is an EVM-compatible network and CubeSigner supports EVM signing, developers can utilize CubeSigner's standard EVM capabilities to sign transactions on Tempo.