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Peter D. Gray 2025-09-25 11:00:16 -04:00
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## `wallet` Ownership address check
## Multisig Ownership address check: "wallet"
Address ownership allows to specify particular multisig wallet in which to search, allowing to skip
useless searches in irrelevant wallets. `wallet` query parameter is provided via [BIP-21](https://github.com/bitcoin/bips/blob/master/bip-0021.mediawiki)
If the name of the multisig wallet related to an address is provided, address search
can be greatly accelerated. Just provide `wallet=name` parameter in a standard
[BIP-21](https://github.com/bitcoin/bips/blob/master/bip-0021.mediawiki) URL
shown in QR code or NFC record. If omitted, search will continue across
all multisig wallets known by COLDCARD.
### Examples
#### Examples:
```
tb1q4d67p7stxml3kdudrgkg5mgaxsrgzcqzjrrj4gg62nxtvnsnvqjsxjkej0?wallet=my_wal
tb1q4d67p7stxml3kdudrgkg5mgaxsrgzcqzjrrj4gg62nxtvnsnvqjsxjkej0?wallet=goldmine
'mtHSVByP9EYZmB26jASDdPVm19gvpecb5R?label=coldcard_purchase&amount=50&wallet=multi_wsh',
```
bitcoin:mtHSVByP9EYZmB26jASDdPVm19gvpecb5R?label=coldcard_purchase&amount=50&wallet=Haystack%20Four
```

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# Shared Improvements - Both Mk4 and Q
- Enhancement: Text word-wrap done more carefully so never cuts off any text, and yet
doesn't waste space.
- Bugfix: `Add current tmp` option, which could be shown in `Seed Vault` menu under
specific circumstances, would corrupt master settings if selected.
- Bugfix: PUSHDATA2 in bitcoin script caused yikes.
- Bugfix: Warning for unknown scripts was not shown at the top of the signing story.
## Spending Policy Feature
Spending policies for "Single Signers" adds new spending policy options:
- limit your Coldcard so it refuses to sign transactions that are "too big"
- require 2FA authentication before signing any transaction (NFC+web)
- velocity limits can restrict how often new transactions can be signed
- see `docs/spending-policy.md` for more details
- "Enable HSM" and "User Management" have moved into `Advanced > Spending Policy`.
- Old "CCC" feature has been renamed and moved into that menu as well: "Co-Sign Multisig"
## Other Improvements
- Added `Bull Bitcoin` export to `Export Wallet` menu.
- Enhancement: Added warning for zero value outputs if not `OP_RETURN`.
- Enhancement: Show QR codes of output addresses in transaction output explorer. Explorer is
now offered for transactions of all sizes, not just complex ones.
- Enhancement: Added file rename, when listing contents of SD card.
- Enhancement: Added ability to restore Coldcard backup via USB (needs latest of ckcc version)
- Enhancement: Address ownership allows to specify particular multisig wallet in which to search,
if `wallet` query parameter is provided via trival extension to
[BIP-21](https://github.com/bitcoin/bips/blob/master/bip-0021.mediawiki).
Example: `tb1q4d67p7stxml3kdudrgkg5mgaxsrgzcqzjrrj4gg62nxtvnsnvqjsxjkej0?wallet=Haystack`
- Bugfix: If all change outputs have `nValue=0`, they were not shown in UX.
- Bugfix: Disallow negative input/output amounts in PSBT.
- Bugfix: Fix filesystem initialization after Wife LFS or Destroy Seed.
- Bugfix: Fix MicroSD selftest code.
- Bugfix: NFC loop exporting secrets would not work after first value exported.
- Bugfix: Multisig address format handling.
- Bugfix: Ownership check failing to find addresses near max (~760), needed to be re-run to succeed
# Mk4 Specific Changes
## 5.4.3 - 2025-05-14
## 5.4.4 - 2025-09-25
- Bugfix: With both NFC & Virtual Disk OFF, user cannot exit `Export Wallet` menu. Gets stuck
in export loop and needs reboot to escape.
- Bugfix: Part of extended keys in stories were not always visible.
- Bugfix: Part of extended keys (xpubs) were not always visible.
- Change: Mk4 default menu wrap-around lowered from 16 to 10 items.
# Q Specific Changes
## 1.3.3Q - 2025-05-14
## 1.3.4Q - 2025-09-25
- Bugfix: Do not allow to teleport PSBTs from SD card when CC has no secrets.
- Bugfix: Calculator login mode: added "rand()" command, removed support
for variables/assignments.
- Enhancement: Enter "forever calculator" mode when Q would otherwise be e-waste: after 13
PIN failures or when device is bricked.
- Bugfix: Correct line positioning when 24 seed words displayed.
# Release History

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*See ChangeLog.md for more recent changes, these are historic versions*
## 5.4.3 - 2025-05-14
- Enhancement: Text word-wrap done more carefully so never cuts off any text, and yet
doesn't waste space.
- Bugfix: `Add current tmp` option, which could be shown in `Seed Vault` menu under
specific circumstances, would corrupt master settings if selected.
- Bugfix: PUSHDATA2 in bitcoin script caused yikes.
- Bugfix: Warning for unknown scripts was not shown at the top of the signing story.
- Bugfix: With both NFC & Virtual Disk OFF, user cannot exit `Export Wallet` menu. Gets stuck
in export loop and needs reboot to escape.
- Bugfix: Part of extended keys in stories were not always visible.
## 5.4.2 - 2025-04-16
- Huge new feature: CCC - ColdCard Cosign

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*See ChangeLog.md for more recent changes, these are historic versions*
## 1.3.3Q - 2025-05-14
- Enhancement: Text word-wrap done more carefully so never cuts off any text, and yet
doesn't waste space.
- Bugfix: `Add current tmp` option, which could be shown in `Seed Vault` menu under
specific circumstances, would corrupt master settings if selected.
- Bugfix: PUSHDATA2 in bitcoin script caused yikes.
- Bugfix: Warning for unknown scripts was not shown at the top of the signing story.
- Bugfix: Do not allow to teleport PSBTs from SD card when CC has no secrets.
- Bugfix: Calculator login mode: added "rand()" command, removed support
for variables/assignments.
## 1.3.2Q - 2025-04-16
- Feature: Key Teleport -- Easily and securely move seed phrases, secure notes/passwords,

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@ -4,49 +4,17 @@ This lists the new changes that have not yet been published in a normal release.
# Shared Improvements - Both Mk4 and Q
## Spending Policy Feature
Spending policies for "Single Signers" adds new spending policy options:
- limit your Coldcard so it refuses to sign transactions that are "too big"
- require 2FA authentication before signing any transaction (NFC+web)
- velocity limits can restrict how often new transactions can be signed
- see `docs/spending-policy.md` for more details
- "Enable HSM" and "User Management" have moved into `Advanced > Spending Policy`.
- Old "CCC" feature has been renamed and moved into that menu as well: "Co-Sign Multisig"
## Other Improvements
- Added `Bull Bitcoin` export to `Export Wallet` menu.
- Enhancement: Added warning for zero value outputs if not `OP_RETURN`.
- Enhancement: Show QR codes of output addresses in transaction output explorer. Explorer is
now offered for transactions of all sizes, not just complex ones.
- Enhancement: Added file rename, when listing contents of SD card.
- Enhancement: Added ability to restore Coldcard backup via USB (TODO version of updated ckcc)
- Enhancement: Address ownership allows to specify particular multisig wallet in which to search.
`wallet` query parameter is provided via [BIP-21](https://github.com/bitcoin/bips/blob/master/bip-0021.mediawiki)
example: `tb1q4d67p7stxml3kdudrgkg5mgaxsrgzcqzjrrj4gg62nxtvnsnvqjsxjkej0?wallet=my_wal`
- Bugfix: If all change outputs have `nValue=0`, they were not shown in UX.
- Bugfix: Disallow negative input/output amounts in PSBT.
- Bugfix: Fix filesystem initialization after Wife LFS or Destroy Seed.
- Bugfix: Fix MicroSD selftest code.
- Bugfix: NFC loop exporting secrets would not work after first value exported.
- Bugfix: Multisig address format handling.
- Bugfix: Ownership check failing to find addresses near max (~760), needed to be re-run to succeed
# Mk4 Specific Changes
## 5.4.4 - 2025-09-2x
## 5.4.5 - 2025-10-xx
- Bugfix: Part of extended keys (xpubs) were not always visible.
- Change: Mk4 default menu wrap-around lowered from 16 to 10 items.
-
# Q Specific Changes
## 1.3.4Q - 2025-09-2x
## 1.3.5Q - 2025-10-xx
- Enhancement: Enter "forever calculator" mode when Q would otherwise be e-waste: after 13
PIN failures or when device is bricked.
- Bugfix: Correct line positioning when 24 seed words displayed.
-