ethju

Blockchain & middleware integrator : development, infrastructure, security

DECENTRALIZED LEDGERS
- Ethereum : Solidity, Parity, Truffle Suite, Web3 API, Swarm
- EOS
- Substrate & Polkadot
- Hyperledger Besu, Fabric, Burrow, Indy, Ursa
- Corda
- Stellar
- Cosmos, Tendermint, Ethermint, Peggy
- Cryptocurrencies, cryptoeconomics, tokens, games theory

APPLIED CRYPTOGRAPHY
- Trusted Execution Environments (TEE)
- Hardware wallets
- Secret Sharing
- Proxy reencryption (PRE)
- Zero-Knowledge Proofs (ZKP)
- Secure Multiparty computation (sMPC)

BUILDING BLOCKS
- Decentralized Identifiers (DID)
- Decentralized Key Management Systems (DKMS)
- Security Tokens Offering platform (STO)
- Initial Coin Offering platform (ICO)
- HFT matching engine
- KYC/AML/CFT dynamic rules engine

JAVA Enterprise Edition
- Spring : Boot, IOC, AOP, MVC, DAO, Web Flow, Security, Scheduler
- CQRS : Axon, Lagom
- JSF : RichFaces, IceFaces
- ORM : EJB, JPA, JTA, Hibernate, EclipseLink, TopLink, OpenJPA, JDO
- SOA : JAX-RS, JAX-WS, JAXR, JAX-RPC, SOAP, WSDL, UDDI
- XML : JAXB, JAXP, StAX, Xerces, Xalan, JDOM
- JSE : JDBC, JNI, RMI, Swing, JAF
- Others : JMS, JMX, JCA, JNDI, JAAS