BLOCKHUB ACADEMY
Certificate of Completion
This certifies that
Alan Teves Retubis
has successfully completed
x402: Internet-Native Payments
Issued
September 10, 2026
Scan to verify
Serial
BLKC-LCWR-TM5A-MW2T
BLOCKHUB ACADEMY
This certifies that
Alan Teves Retubis
has successfully completed
x402: Internet-Native Payments
Issued
September 10, 2026
Scan to verify
Serial
BLKC-LCWR-TM5A-MW2T
Explore Coinbase's x402 protocol — reviving HTTP 402 for instant stablecoin micropayments over HTTP, enabling pay-per-API-call and machine-to-machine commerce.