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🟡 Changes recommended
The security guidance understates future reserve exposure authorized by RemainingOwnerCount.
1 open finding
What changed in this PR
Extends XLS-68 with SponsoredAccountCreate, enabling zero-balance sponsored accounts without transferring XRP to them.
Changes:
- Defines the transaction, optional sponsorship funding, failure conditions, and invariants.
- Updates the parent specification with
SponsorV1_1gates and cross-references.
| File | Description |
|---|---|
| XLS-0068-sponsored-fees-and-reserves/README.md | Integrates the new amendment into account-creation rules. |
| XLS-0068-sponsored-fees-and-reserves/68.1/README.md | Specifies sponsored account creation and optional sponsorship setup. |
🧠 Review effort: Balanced
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| ## 5. Security Considerations | ||
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| The sponsor's exposure is bounded by the transaction: one base reserve for the new account, one object reserve for the `Sponsorship` object, and `FeeAmount`. `MaxFee` caps what a single sponsored transaction may draw from `FeeAmount`, and the reserve-checking failure in [§3.1.4.2](#3142-protocol-level-failures) ensures the sponsor stays above its own reserve after paying them. |
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High Level Overview of Change
Update XLS-68, add spec for SponsoredAccountCreate
Context of Change
Described new tx SponsoredAccountCreate which allow to create sponsored account with 0 balance. XRP never touch the account during creation. Additionally the tx can create sponsorship object for the dst account.
Type of Change