Cockroach University acknowledges the following student accomplishment

Signature | Shannon Bradshaw

Shannon Bradshaw VP of Education Cockroach Labs

crl | client-side-txn-handling Certificate | Cockroach University

This confirms that

Kostiantyn Hantsov

has successfully completed

crl | client-side-txn-handling: Enterprise Application Development with CockroachDB I

Certificate ID number: 04e3dd73753a426987fc72fe939ea48a

Date issued: December 8, 2023

Verify the authenticity of this certificate at https://university.cockroachlabs.com/certificates/04e3dd73753a426987fc72fe939ea48a