New encrypted transfer
Create a BlockBox.
Choose a file, define who can open it, and let your browser handle the encryption.
↑
Drop a file into BlockBox
or click to browse · up to 100 MB
Who can open this BlockBox?
Access is checked each time someone requests the decryption key.
Authorized Solana wallet addresses
BlockBox details
Keep metadata minimal. Only add what the recipient needs.
Allow downloadRecipient can save the decrypted file
PreviewRender safe formats in the browser