Rafael Tenfen is a seasoned blockchain developer with extensive experience in the field, currently serving as a Blockchain Developer at BabylonChain Inc. since March 2024. Previous roles include Blockchain Developer at Umee, focusing on cross-chain decentralized finance using Cosmos SDK and CosmWasm, and Blockchain Coach at Holonic, where Rafael guided teams in developing decentralized blockchain applications. Rafael's early career featured positions as a Blockchain Developer at Think and Dev, Software Engineer at NewHope, where smart contracts and waste traceability projects were developed, as well as experiences with the Rhizom Foundation and IPM Sistemas. Rafael holds a Master's degree in Applied Computing and a Bachelor's degree in Software Engineering, both from Universidade do Estado de Santa Catarina.