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obsidianlog init’s Sia backend prompt defaults the indexer URL to sia.storage, a hosted indexer operated by Sia Storage, not by ObsidianLog. Choosing it and accepting the default URL gets you real, durable, redundant Sia storage with no indexer infrastructure to operate.

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How it works

Each user approves ObsidianLog through their own sia.storage account once. Sia Storage currently offers a 50 GB free plan, with other plans available. Pricing, quotas, availability, and terms are set by Sia Storage and may change. obsidianlog init runs this approval inline: it prompts for a recovery phrase (or generates a new one), shows an approval URL, and blocks until you approve it in your Sia account. After that, reconnecting is silent.

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Who pays for storage

The hosted indexer operator, not ObsidianLog, maintains the contracts with Sia storage providers. Your Sia Storage account is subject to its own plan and quota, and may be billed above its included allowance. ObsidianLog does not operate or bill for the hosted service. See Sia Storage’s trust and deployment model for the current responsibility model.

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The security promise still holds

Because encryption happens client-side under a key you hold, before data ever reaches the SDK, the indexer operator (sia.storage, or anyone else) is cryptographically unable to read your archived logs. “We host the plumbing but cannot read your archives” is the posture in every mode. See Security Model.

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When to use it

The default choice for most users who want managed, durable Sia storage without operating an indexer. Review Sia Storage’s current plan before using it for production archives. If you want full control over your own wallet and infrastructure instead, for regulated or compliance environments in particular, see Bring Your Own Indexer.