Ivan Sorokin, known online as @i1skn, is a software engineer whose personal website introduces his professional work, open-source project, and public writing and talks. He has more than 11 years of experience in software development, spanning web and mobile applications and, more recently, blockchain. Sorokin is the author of Ironbelly, an open-source wallet for the Grin blockchain, available for iPhone and Android.

The project reflects his work at the intersection of mobile software and blockchain technology. Through the site, visitors can explore his blog and talks, follow updates via RSS, and find contact information. Sorokin offers contract work and consulting, inviting prospective clients to get in touch about these services.

The site presents him as an experienced, hands-on software professional with a background across several areas of development and a published open-source product. Its focus is on Sorokin himself, his engineering experience, Ironbelly, and ways to engage with his writing or inquire about professional services