Case Study
BitRobot is a decentralised robotics network built on Solana, designed to coordinate autonomous agents across subnets. Tokens and NFTs are used to represent identity, permissions, and economic guarantees - enabling staking, incentives, and subnet-level coordination.
Services
Technical Focus
Intro
BitRobot partnered with Hypotenuse Labs to architect and build the core on-chain programs powering BRB token mechanics, ENT NFT issuance (Metaplex-compatible), and subnet orchestration, with an emphasis on security, composability, and auditability.
Summary
We delivered a modular Solana program suite with consistent state modelling (PDAs), hardened access controls, and validated cross-program interactions. The stack was deployed to testnet/devnet with unit + integration tests, and prepared for an external audit and mainnet rollout.
The Challenge
BitRobot's protocol required multiple interacting on-chain systems - token primitives, NFT standards, subnet state machines, and reward/slashing mechanics - where correctness depends on:
consistent PDA derivation and account validation,
safe cross-program invocation (CPI) patterns,
strict authority boundaries to prevent privilege escalation,
and a design that can evolve (governance/arbitration) without rewriting core state.
Our Solution + Process
1) Core Solana program suite
We designed and implemented a full set of programs and on-chain state to support:
BRB token primitives (authorities, supply controls, and protocol-facing token operations)
ENT NFTs using Metaplex standards (minting/metadata patterns + protocol gating hooks)
Subnet orchestration (subnet creation, membership/roles, operational state, and lifecycle transitions)
Protocol state management with consistent PDA derivation, account constraints, and permissioned actions
2) Modular architecture for extensibility
We structured the system to keep programs focused and composable:
clean interfaces for cross-program calls,
shared validation patterns for accounts and authorities,
forward-compatible hooks for future modules (e.g., governance voting, arbitration, quadratic mechanisms) without breaking foundations.
3) Testing + testnet deployments
We delivered:
deployed BRB + ENT issuance flows with unit and integration tests,
a working subnet program deployed to testnet/devnet with integration coverage,
end-to-end CPI flows and state transition validation across the full stack.
The Results
Testnet-deployed protocol backbone for BRB tokens, ENT NFTs, and subnet orchestration
Support for protocol-critical operations including:
staking and collateral locking
slashing and reward distribution
subnet operations and role-based access control
state transition safety with validated accounts/PDAs
Audit-ready delivery: modular design, documented program responsibilities, and strong automated test coverage across critical flows and invariants