Holdfast
Owner-isolated by design

Serious money deserves deliberate controls.

Holdfast starts with a versioned investment policy and observer-only execution. Research can recommend. Risk rules decide what is allowed.

One owner per portfolio, broker connection, and broker account.
No platform admin role automatically gains trading authority over another user.
Paper mode provides a proving ground before real capital is ever involved.
Holdfast

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Your financial data remains isolated to your authenticated user.

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