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New projects
A paragraph about the problem is enough to start. We reply within two working days, usually with questions rather than a quote.
Blockchain · Service Cross-chain bridge development
Cross-chain bridges built for security: lock-and-mint or burn-and-mint designs, verification you can reason about, rate limits, pause controls and monitoring.
In short
A cross-chain bridge moves assets or messages between blockchains. Typically it locks tokens on one chain and mints a representation on another, or burns on one side and releases on the other. The hard part is verification — proving on the destination chain that something really happened on the source chain. Bridges have been behind some of the largest losses in crypto, including Ronin and Wormhole in 2022, so their design is mostly a security exercise.
- How to engage
- Product build, Security review
- Practice
- Blockchain
Signs this is the right service
- Your token must exist on more than one chain with a single supply.
- Your protocol needs to pass messages or state between chains.
- You are launching an appchain or rollup and need a canonical bridge.
- You rely on a bridge and need to understand the risk you are taking.
What you get
Design choice
Lock-and-mint, burn-and-mint (for example a native multi-chain token) or a liquidity network — chosen for your asset and risk tolerance.
Verification model
Light-client, zero-knowledge, optimistic or validator-set verification, with the trust assumptions written down plainly.
Rate limits and pausing
Caps on how much can move per period and a tested pause path, so a flaw cannot drain everything at once.
Supply accounting
Continuous checks that minted supply never exceeds locked collateral, with alerts on any difference.
Monitoring and response
Real-time monitoring of every transfer and a written incident runbook.
The process
- 01
Threat model first
Who could forge a message, who holds keys, and what an attacker gains from each failure.
- 02
Prefer proven infrastructure
Where an established messaging layer fits, we integrate it rather than inventing new cryptography.
- 03
Build and attack
Invariant tests on supply, adversarial review, and tests of the pause and recovery paths.
- 04
Audit and cap
External audits, then launch with low limits raised over time.
SolidityRustFoundryCross-chain messagingSafeMonitoring
Cross-chain bridges: common questions
Why are bridges hacked so often?
- They hold large pools of locked funds, and they depend on verifying events from another chain. If that verification relies on a few keys or has a logic flaw, an attacker can mint or release funds that were never deposited — as happened with Ronin and Wormhole in 2022.
Should we build our own bridge?
- Usually not. Integrating an established, audited messaging protocol is safer for most projects. Building a bridge makes sense for a new chain's canonical bridge or very specific requirements.
What is a native multi-chain token?
- A token whose issuer burns it on one chain and mints it on another, so there is one supply across chains instead of several wrapped versions.
Can you review a bridge we already use?
- Yes. We assess its verification model, key management, limits and monitoring, and tell you what risk you are carrying.
06 / Let’s build
Bring us the difficult problem.
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Careers
Engineers, designers and researchers who like systems that are hard to get right. Send something you built and what you would change about it now.
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Studio
Based in India and working remotely, with overlap hours agreed up front so your team always has a time to reach us.
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Read
Guides on AI agents, RAG, MCP, tokenization and chain abstraction, written by the engineers who build them.