1–1,000 years.
Choose whole years. The clock starts at sealing; the key releases automatically at the end. Everyone can read the capsule then.
Keep the promise.
Into infinity.
Closed for the years you choose. Public when its time comes. Cared for beyond ETC.
Your capsule
The standard for every capsule.
Only encrypted data.
Contents must be encrypted on your device before reaching ETC. The release key belongs in a verifiable time lock. No emergency opening, support override or company-held spare.
A seal you can verify.
Cryptographic integrity, blockchain evidence and independently checkable release terms. Signed authorship or anonymity, by your choice.
Ready for a quantum future.
Post-quantum protection is a release requirement. Protection must evolve with the best available technology, without creating an early-opening path.
More than one home.
Redundant encrypted copies and independent release paths. Providers—including competitors—serve the capsule’s continuity. No single company should be indispensable.
Beyond ETC.
Open-ended support and prepaid future care. Independent safeguards must carry the promise forward if ETC disappears. The mission has no end date.
Sealing is not open yet.
The complete post-quantum time lock, proof, redundancy and continuity arrangements must meet this standard before ETC accepts a sealed capsule. You can write, save encrypted drafts and keep your own copies now.