Stamp it on MegaETH before the world catches up.
Visibility
Public
Shareable proof URL. Anyone can verify it.
Sealed
Hidden until a date you choose. Auto-reveals.
Hash only · Maximum privacy
Only your fingerprint goes on-chain. Content stays with you.
Auto-reveal on
Stamp PDFs, images, audio, video, and live web pages. Files stored on Arweave — permanent, decentralized, outlives us.