We participated in 3 technical implementation of custom bond onchain emission, with KYC, portfolio management, bond redemption, onchain coupon computation.
We dealt with onchain EURO operation modeling and technical implementation with licensed bank proxies, SWIFT operations connections.
Past customers profiles:
Past customers profiles:
- • 2 major European banks.
- • One major German Hedge Fund (as an innovation branch)
Blockchain infrastructure skillset
Specialized in the backend distributed insfrastructures for the financial industry
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Go-ethereum: Ixxo helped implementing a custom consensus protocol derived from clique in golang, that was deployed in an hybrid corporate environment on legacy Kubernetes, Google cloud and Azure.
In custom research projects, Ixxo extended the solidity compiler for supporting decentralized exchange trading operations. -
Key-custody: Ixxo implemented key custody on Azure Vault, Hashicorp Vault and Google Cloud Vault.
- Blockchain notarization: Ixxo developped dAppBox, an automatic notarization P2P file exchange mechanism, based on syncthing (golang)
- Smart contract automatic API: Ixxo developped autognerated GraphQL APIs in nodeJS / typescript from solidity source contracts.
- Solidity for finance: IXXO developed stable coins, bonds and bond portfolio smart contracts in Solidity
- Custom orderbook: development of an advanced orderbook matching engine attached to blockchain operations for the retail world, dealing with custom product attributes in the matching.
IT skillset
Specialized in backend distributed infrastructures and trading.
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Languages: .NET, Java, Python and Golang, Solidty
Hand on haskell and Unison - Machine learning: Python Jupyter to simulate the tokeneconomics of a native blockchain token (token producers and consumers dynamic equilibrium)
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Security: analysis of the various possible attack on a blockchain, with frameworks to reproduce the attacks.
MEV, displacement or insertion frontrunning, clique based sealer replacement, cloning attack
Developped a framework based on toxiproxy to simulate malicious behaviors. - distributed file system integrated with blockchain for access rights (our custom dAppBox project)
- Specialized in optimizing technical trading user interfaces (WPF and web based)
Devops and cryptography
- Docker based deplyment of apps, puppeth, portainer, Keycloack centralized right management, packages management with Nexus
- Custom infrastructures to test a consensus sealers mining behavior (with programmable network interruption, clustering, DoS attacks)
- MPC (multiparty computation) expert with the inhouse development of a golang MPC framework based on the best practices. Open Source Framework available at Javascript MPC
- Shamir Secret Sharing, El Gamal encryption preserving additive properties on encrypted data.
