Dagur Valberg Johannsson is a prominent figure in the blockchain and cryptocurrency space, known for his work in blockchain and smart contract development. He is the CEO of Riften Labs AS and is actively involved in open-source blockchain projects with a focus on bringing better financial solutions to the world. Dagur Valberg is also associated with Valberg Consulting AS and has a strong presence on platforms like GitLab, GitHub, Twitter, LinkedIn, and YouTube. Additionally, he has been featured in expert interviews on Bitcoin.com, discussing topics related to blockchain technology and cryptocurrencies.