OneMessage: Crypto Inheritance
Contains adsIn-app purchases
Everyone
info
10+
Downloads
About this app
What OneMessage is NOT
OneMessage is not a cryptocurrency wallet, exchange, or custody service. It does not store, send, or manage cryptocurrency. It only delivers SMS messages that you write yourself.
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One Message — A simple way to prepare for the unexpected
If you self-custody crypto, you hold the keys yourself. That also means access can be lost if something unexpected happens.
With OneMessage, you can prepare a message for your family in advance.
Example:
“Open Carl Sagan’s Cosmos on the second shelf in the study.”
Your message is encrypted and stored securely in the cloud. If your phone does not check in before the timer ends, the SMS is sent automatically.
Important:
Never include private keys or seed phrases directly in the SMS body. SMS is not end-to-end encrypted. Use simple hints that only your family can understand.
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Safety Message — Daily peace of mind
For people who live alone or stay far from family.
If your phone has not been used for 12 hours, OneMessage can automatically send a safety SMS to a trusted contact. It is free once a week and works quietly in the background during normal phone use.
Useful for:
• People living alone
• Older family members living independently
• Adult children living abroad
• Crypto holders who want an extra safety layer
Why OneMessage
Cloud-based delivery
Your message is stored securely in the cloud, so delivery does not depend only on your phone.
Passive check-in
Using your phone normally resets the timer. No daily manual check-in is needed.
18 languages
Supports Korean, English, Japanese, Chinese, and more.
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Privacy & Security
• Messages are encrypted at rest
• Recipient information is protected until delivery
• You can edit or delete your message at any time
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Your crypto plan. Your message. Prepared in advance.
Download OneMessage and set up your first message in minutes.
OneMessage is not a cryptocurrency wallet, exchange, or custody service. It does not store, send, or manage cryptocurrency. It only delivers SMS messages that you write yourself.
━━━━━━━━━━━━━━━━
One Message — A simple way to prepare for the unexpected
If you self-custody crypto, you hold the keys yourself. That also means access can be lost if something unexpected happens.
With OneMessage, you can prepare a message for your family in advance.
Example:
“Open Carl Sagan’s Cosmos on the second shelf in the study.”
Your message is encrypted and stored securely in the cloud. If your phone does not check in before the timer ends, the SMS is sent automatically.
Important:
Never include private keys or seed phrases directly in the SMS body. SMS is not end-to-end encrypted. Use simple hints that only your family can understand.
━━━━━━━━━━━━━━━━
Safety Message — Daily peace of mind
For people who live alone or stay far from family.
If your phone has not been used for 12 hours, OneMessage can automatically send a safety SMS to a trusted contact. It is free once a week and works quietly in the background during normal phone use.
Useful for:
• People living alone
• Older family members living independently
• Adult children living abroad
• Crypto holders who want an extra safety layer
Why OneMessage
Cloud-based delivery
Your message is stored securely in the cloud, so delivery does not depend only on your phone.
Passive check-in
Using your phone normally resets the timer. No daily manual check-in is needed.
18 languages
Supports Korean, English, Japanese, Chinese, and more.
━━━━━━━━━━━━━━━━
Privacy & Security
• Messages are encrypted at rest
• Recipient information is protected until delivery
• You can edit or delete your message at any time
━━━━━━━━━━━━━━━━
Your crypto plan. Your message. Prepared in advance.
Download OneMessage and set up your first message in minutes.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
You can request that data be deleted
What’s new
Improve the stability of local notification scheduling (handle 0 recipients, rebook when added, cancel when deleted)
App support
About the developer
(주)닷셀
dotcell@dotcell.net
대한민국 14353 경기도 광명시
일직로 43 A동 1413호 (일직동,지아이디씨)
+82 10-9975-3211
