BLOCKHUB ACADEMY
Certificate of Completion
This certifies that
John Vincent A. Cruz
has successfully completed
Blockchain Fundamentals
Issued
August 4, 2026
Scan to verify
Serial
BLKC-4WCU-GHVH-VJXF
Certificate
Blockchain Fundamentals
Master the core concepts of blockchain technology: blocks, hashing, consensus mechanisms, and why immutability makes blockchains trustworthy.