Welcome to Sealed Letter on Sealed Letter

Introduction: What Sealed Letter Is

Mon, 01 Jan 0001 00:00:00 +0000

An overview of what Sealed Letter is, what it’s designed for, and how it differs from everyday communication tools.

Introduction: What Sealed Letter Is
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Sealed Letter is a secure way to store messages or instructions and control how trusted people can access them in the future.

Core Principles & Intentional Design

Mon, 01 Jan 0001 00:00:00 +0000

The design principles that shape how Sealed Letter behaves and why certain features are intentionally limited.

Core Principles & Intentional Design
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Sealed Letter is intentionally designed to be calm, deliberate, and low-noise.

Key Concepts & Terminology

Mon, 01 Jan 0001 00:00:00 +0000

Clear definitions of the key terms used throughout Sealed Letter to ensure shared understanding.

Key Concepts & Terminology
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This section explains the core terms used throughout Sealed Letter.

How Letters Work

Mon, 01 Jan 0001 00:00:00 +0000

A step-by-step overview of the lifecycle of a letter, from creation to access.

How Letters Work
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Every letter follows the same high-level lifecycle:

Delivery Methods Explained

Mon, 01 Jan 0001 00:00:00 +0000

An explanation of the two delivery options and how they differ in security and convenience.

Delivery Methods
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Sealed Letter offers two delivery methods. Each supports a different balance between secrecy and ease of use.

Security Model & Data Protection

Mon, 01 Jan 0001 00:00:00 +0000

How Sealed Letter protects your content through encryption, access controls, and system design.

Security Model & Data Protection
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Security is foundational to Sealed Letter.

Which Option Is More Secure

Mon, 01 Jan 0001 00:00:00 +0000

A clear comparison to help you choose the delivery option that best fits your needs.

Which Option Is More Secure?
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Both delivery options are secure, but they prioritize different outcomes.

Cooldown Period Explained

Mon, 01 Jan 0001 00:00:00 +0000

Why letters cannot be released immediately and how the cooldown period supports intentional use.

Cooldown Period Explained
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Every letter includes a cooldown period before it can be released.

Privacy, Access & Trust

Mon, 01 Jan 0001 00:00:00 +0000

How Sealed Letter minimizes trust requirements and protects your privacy.

Privacy, Access & Trust
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Sealed Letter is built to minimize who and what must be trusted.

Account Lifecycle & Data Deletion

Mon, 01 Jan 0001 00:00:00 +0000

What happens to your data throughout the life of your account, including deletion.

Account Lifecycle & Data Deletion
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You remain in control of your data at all times.

Subscriptions & Payments

Mon, 01 Jan 0001 00:00:00 +0000

How subscriptions work and when they are — and are not — required.

Subscriptions & Payments
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Subscriptions unlock additional features but are not required for recipients.

Limitations & Responsible Use

Mon, 01 Jan 0001 00:00:00 +0000

Important boundaries that define what Sealed Letter is designed to do — and what it is not.

Limitations & Responsible Use
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Sealed Letter is not designed for:

Contact & Support

Mon, 01 Jan 0001 00:00:00 +0000

How to get help and what support can — and cannot — assist with.

Contact & Support
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Support is available to help with:

Welcome to Sealed Letter on Sealed Letter

Introduction: What Sealed Letter Is

Introduction: What Sealed Letter Is #

Core Principles & Intentional Design

Core Principles & Intentional Design #

Key Concepts & Terminology

Key Concepts & Terminology #

How Letters Work

How Letters Work #

Delivery Methods Explained

Delivery Methods #

Security Model & Data Protection

Security Model & Data Protection #

Which Option Is More Secure

Which Option Is More Secure? #

Cooldown Period Explained

Cooldown Period Explained #

Privacy, Access & Trust

Privacy, Access & Trust #

Account Lifecycle & Data Deletion

Account Lifecycle & Data Deletion #

Subscriptions & Payments

Subscriptions & Payments #

Limitations & Responsible Use

Limitations & Responsible Use #

Contact & Support

Contact & Support #

Introduction: What Sealed Letter Is
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Core Principles & Intentional Design
#

Key Concepts & Terminology
#

How Letters Work
#

Delivery Methods
#

Security Model & Data Protection
#

Which Option Is More Secure?
#

Cooldown Period Explained
#

Privacy, Access & Trust
#

Account Lifecycle & Data Deletion
#

Subscriptions & Payments
#

Limitations & Responsible Use
#

Contact & Support
#