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Update outdated/incorrect information in the user docs - #324

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adress-some-mezo-4884-findings
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Update outdated/incorrect information in the user docs#324
michalinacienciala wants to merge 16 commits into
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adress-some-mezo-4884-findings

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@michalinacienciala

@michalinacienciala michalinacienciala commented Aug 18, 2026

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References: MEZO-4888, MEZO-4891, MEZO-4959, MEZO-4903, MEZO-4970

This PR addresses some of the outdated/incorrect info present in the user documentation flagged during review of the docs (MEZO-4884). The PR does not address the propositions of improvements, better wording nor does it document features that were missing docs coverage. Instead it focuses mainly on the information that was already present and was factually incorrect.

Changes (see commit messages for justification of the edits):

  • Removed outdated info about BTC users lacking access to the Send option
  • Removed no longer needed section relating to OKX issues
  • Corrected info about min withdrawable amounts in bridge
  • Clarified info about withdrawals processing times
  • Clarified Native Bridge fees structure
  • Updated link to Threshold's documentation of tBTC bridge fees
  • Removed information about waiving of the redemption fee in Borrow
  • Fixed info about the refinance fee
  • Informed that issuance fee is paid also when borrowing more
  • Used MUSD to express gas deposit, instead of USD
  • Clarified which loans qualify for redemptions
  • Indicated that Liquidations & Redemptions page applies to MUSD protocol
  • Improved description of redemption
  • Fixed broken rendering due to dollar character not being escaped

Addressing MEZ-4888 comment. The docs were mentioning that Mezo app does not
support sending funds on Mezo using Bitcoin wallet, which is no longer true. The
comment was removed and list of tasks possible to be performed by the Bitcoin
wallets have been updated.
@michalinacienciala michalinacienciala self-assigned this Aug 18, 2026
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Addresses MEZO-4888 finding. The advice relating to OKX wallet issues with seeing
Mezo assets is no longer needed, the issues no longer occur. Removing the related
sections.
Addresses a couple of items from MEZO-4891. The docs showed
incomplete/incorrect information about minimum wihdrawable amounts for tokens.
This commit fixes it.
@michalinacienciala
michalinacienciala force-pushed the adress-some-mezo-4884-findings branch from ab2d1a8 to e167ded Compare August 18, 2026 13:13
Addresses an item from MEZO-4891. When discussing withdrawal times we
only mentioned the times that fit withdrawal times for bridging to
Ethereum via Native bridge. Added info about typical withdrawal times
for bridging to Bitcoin and bridging via Wormhole bridge.
Addresses several items from MEZO-4891. The Fee Structure docs section did not
clarify that the presented fees apply only to the Native Bridge. The nomenclature
used in the section also was different from the one we use in the dapp. Also,
info about some fees was incorrect (outdated?) and presented examples were not
mentioning some types of fees. This commit fixes those issues.
Addresses comment from MEZO-4891. The link to Threshold docs was outdated.
Switched to the new link (although it does not mention the tBTC Bridge Maximum
Network Fee (`redemptionTxMaxTotalFee`).
@michalinacienciala
michalinacienciala force-pushed the adress-some-mezo-4884-findings branch from e167ded to 6974b8d Compare August 18, 2026 13:27
Addresses some items from MEZO-4959 and MEZO-4903. In several places in the docs
there were mentions of the exceptions in paying the redemption fee for users who
are borrowers. Looking at the code, there are no such exceptions. Perhaps what
the docs wanted to convey was the fact that when user uses the Repay option with
the variant that keeps the LTV at the same level (which results in returning
collateral to the user), no fee is charged for such operation. But this is not
what we call redemption. In UI it's called Repay (and on the contract side, it's
executed by calling the `adjustTrove` method).
Addresses two items from MEZO-4959. The information about the refinance fee
percentage and about when the fee is applied was incorrect.
The Refinance fee charged = `refinancingFeePercentage × borrowingRate × currentDebt`.
The `borrowingRate` is the issuance fee (0.1%).
The `refinancingFeePercentage` by default is 20%. The value can be changed by the
governance (is capped at 100%), but so far hasn't been changed and is set to 20%.
This means that the refinance fee is `20% × 0.1% × debt = 0.02% of debt`.\
The commit updates the fee definition and percentage.
Addresses an item from MEZO-4959. The first sentence of the Issuance Fee docs
section could be interpreted as if Issuance fee was paid only on loan open. The
payment of fee on borrow more was mentioned further in the paragraph, but could
be easily missed when fast scanning the text. Added mention of the fee paid also
when borrowing more to the first sentence of the paragraph.
Addresses an item from MEZO-4959. The gas deposit (liquidation fee deposit) is
set to 200 MUSD. 1 MUSD is not always worth $1, so we should stick to expressing
the deposit in MUSD.
Addresses an item from MEZO-4959. Explanation of the conditions for loan to
qualify for redemption was incomplete.
Addresses an item from MEZO-4970. The Liquidations & Redemptions page was written
when we only offered MUSD loans in the Mezo app. Now that we also support
a Morpho protocol, we also have mUSDC loans that can be liquidated. But there are
some differences in how liquidation works in Morpho. The doc wasn't reflecting
those differences. As a quick fix we're changing the name of the doc to `MUSD
Liquidations & Redemptions`, to indicate that the doc page appplies only to MUSD
protocol.
Addresses several items of MEZO-4970. The description of MUSD loans redemptions
that we had in the docs was inacurate, confusing and misformatted. Changed the
text to explain the concept more precisely and acurately.
When dollar symbol was not escaped, the text sometimes rendered incorrectly.
@michalinacienciala
michalinacienciala marked this pull request as ready for review August 19, 2026 12:49
## Redemption Fees (0.75%)

This fee is paid when exchanging MUSD for the BTC collateral. When a user has an outstanding loan, the redemption fee is zero. Users who do not have an outstanding MUSD loan must pay the 0.75% redemption fee.
This 0.75% fee is paid by the redeemer during redemption (operation of paying up someone else's MUSD debt in exchange for that borrower's BTC collateral).

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Can we link to a section or page on redemptions rather than trying to summarize it in parentheses?

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Addressed in 8be5bb1

Instead of explaining what redemption does in the section about the redemption
fee we now link to the part of the doc that explains this.
@michalinacienciala
michalinacienciala force-pushed the adress-some-mezo-4884-findings branch from cdb283a to 8be5bb1 Compare August 20, 2026 14:54
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