Coldcard Mk4

Coldcard Mk4

  • Viti i botimit:2022

Çdo specifikim, i organizuar

Communities

Telegramcoldcard
Redditcoldcard

Official Store

Po Box SupportYES
Btc On ChainYES
Btc LightningNO
Alt CoinsNO
Credit Debit CardYES

Size Materials

WarrantyNO
Weight30g
Dimensions86 x 50 x 7.5 mm
MaterialsPlastic
Available In ColorsYES
Weather ResistanceNO

Display

ScreenYES
Screen TypeOLED
Gorilla GlassNO
Color ScreenNO
Touch ScreenNO
Screen Size0.8"
Screen Resolution128 x 64 px

Input

ControlsButtons
Qwerty KeyboardNO

Power

BatteryNO
Usb ChargingUSB-C
Wireless ChargingNO

Security

Air GappedYES
Secure ElementYES (2)
Supply Chain Physical AttacksYES
Deterministic NoncesYES
Anti KleptoNO

Networks

Btc MainnetYES
Btc TestnetYES
Alt CoinsNO

Firmware

Bitcoin Only FirmwareYES
Secure BootYES
Upgradable FirmwareYES
Upgrade Via SdcardYES
Upgrade Via Usb External StorageNO
Upgrade Via Usb CableYES
Upgrade Via BluetoothNO
Upgrade Via NfcNO
Release NotesYES
Source AvailableYES
Open SourceNO
LicenseMIT + anti-sell clause
Reproducible BuildsYES

Device Lock

Pin LockOn Device
Dummy WalletYES
Dynamic KeypadYES
Countdown Brick Reset PinYES
Brick Reset PinYES
Time Delay To UnlockYES
Anti Phishing WordsYES
Alphanumeric PinNO
Pattern LockNO
Fingerprint LockNO

Private Keys

StatelessOptional Stateless Use
User Added EntropyYES
Multiple Private KeysYES
Passphrase SupportYES
Passphrase EntryOn Device
Master Key FingerprintYES
Bip85YES
Shamir BackupNO
Seed XorYES
Backup Recovery MicrosdYES (encrypted)
Backup Recovery Nfc CardNO
Create 12 WordsYES
Create 24 WordsYES
Display 12 24 WordsOn Device
Import 12 WordsOn Device
Import 24 WordsOn Device
Seed QrOnly Export
Key TeleportNO

Address Format

LegacyYES
Nested SegwitYES
Native SegwitYES
TaprootExperimental

Addresses

View Address TextOn Device
View Address QrOn Device
Export Address SdcardYES
Verify Address QrNO

Signing

Multi SigYES
FrostNO
Nfc Push TxYES
Message SigningYES
Change VerificationYES
Change Address DisplayYES

Signing Connectivity

UsbUSB-C (disabled by default)
BluetoothNO
NfcYES (disabled by default)
Microsd CardYES
QrNO
Ur 2 Animated QrsNO
BbqrOnly Display
Specter QrNO

Spending Conditions

Magnitude LimitsYES
Velocity LimitsYES
Whitelisted AddressesYES
2fa AuthenticationYES
MiniscriptExperimental
Taproot MiniscriptExperimental

Fees

Fee ControlYES
Replace By FeeYES
Child Pays For ParentYES
Maximum Fee ProtectionYES

Privacy

Coin ControlYES
Custom NodeYES
TorYES
Silent PaymentsNO

Other Features

Virtual Disk ModeYES (disabled by default)
Password ManagerYES
U2f AuthenticationNO
Fido AuthenticationNO
Hardware Based Ssh GpgNO

Official Apps

Web AppNO
Windows AppNO
Macos AppNO
Linux AppNO
Chrome ExtensionNO
Firefox ExtensionNO
Edge ExtensionNO
Android AppNO
Ios AppNO

Third Party Apps

Bitcoin SafeYES
TheyaYES
Wasabi WalletYES
ZeusNO
NunchukYES
CoveYES
ElectrumYES
SparrowYES
Specter DesktopYES
Blockstream GreenWatch-only
BluewalletYES
Bitcoin KeeperYES
BullNO
LianaYES
CasaYES
UnchainedYES