In January 2025, Nil Medvedev developed and integrated WeaveVM Data Availability support for both the dymensionxyz/dymint and dymensionxyz/rollapp-evm repositories. He engineered new DA clients, RPC interfaces, and signer components in Go, expanding data availability options and enabling seamless interoperability with existing providers like Celestia. Nil’s work included configuration enhancements, shell scripting for deployment, and comprehensive documentation updates to streamline onboarding. By allowing Dymint and RollApp to submit and retrieve data through WeaveVM, he improved production readiness, reduced provider lock-in, and strengthened system resilience. The depth of integration demonstrated strong proficiency in blockchain, cryptography, and DevOps practices.