Atkey wallet User Manual

User Guide rev: 1.4

2

| Table of Content

Before Start …

Page 3

Outlook

Page 5

Power and Power button

Page 6

Quick Start

Page 8

AT.Wallet Diagram

Page 9

Mobile app layout …

Page 10

BLE Pairing

Page 11

Fingerprint enrollment

Page 12

Initial Wallet

Page 13

Add Cryptocurrency

Page 15

BIP84

Page 16

Transaction - Receive

Page 17

Transaction –Send

Page 18

Menu bar and Settings

Page 19

Standalone mode

Page 33

LED and E

-Ink

Page 34

Fingerprint things

Page 35

Regulations

Page 36

Windows/Mac app layout …

Page 23

BLE Pairing or USB connecting

Page 24

Fingerprint enrollment

Page 25

Initial Wallet

Page 26

Add Cryptocurrency

Page 29

Transaction - Receive

Page 30

Transaction –Send

Page 31

Settings

Page 32

3

| Before Start

Before Starts …

• Please do battery charging before you use the card – insert card to docking to connect to USB port or any USB power adaptor

• If AT.Wallet connects to USB port but nothing happened (no LED ON), please wait for a while since there is protect circuit to make sure the battery voltage is not

lower than 3.0V

• USB port of PC: USB mode, AT.Wallet can work as USB Wallet with Windows and Mac app

• USB power adaptor: BLE mode, AT.Wallet can work as BLE Wallet with iOS, Android, Windows and Mac app

• Download app from (QR code or links for download)

Mnemonic Recovery Sheet x 2 –

one for main wallet, one for hidden wallet

Micro USB cable x 1

USB Docking x 1

AT.Wallet card x 1

update later

Update later

https://apps.apple.com/us/app/at-wallet/id1490097962?mt=12

Or search “AT.Wallet” from your regional Mac App Store, it belongs to “Utility” category

4

• Pair and connect via BLE (Bluetooth Low

Energy); working with mobile app (iOS and

Android) and also Windows/Mac app.

• Stay on Docking via USB to connect with PC by
Windows/Mac app

• Do battery charging via USB docking in parallel

• Standalone mode to check amount

• Standalone mode to receive transaction via

QR code

More cryptocurrencies support later by firmware and app upgrade …

5

| Outlook

Fingerprint sensor

Up to 8x fingerprints

E-ink display

Power button

USB ports

MicroUSB connector

LED#1

LED#2

Keycode

• It’s an unique code of each card;

• Keycode will show on APP to

identify the card

• Keycode is also a serial number for
tracking – production, service and
warranty

6

| Power and Power Button

• Click once – power on, then

• Double-click: entering BLE

secure pairing mode

• long-press over 4 seconds:

power off (E-ink will refresh

from black to blank)

• Connected to USB – Power ON
automatically

• Standalone mode

• Single-click: toggle to next page

• Power ON

• Verify fingerprint

• Loading, then Main wallet name

• 1stcryptocurrency summary

• 1stcryptocurrency QR code

• 1stcryptocurrency address

• 2ndcryptocurrency summary …

• Toggle to loop …

BLE mode power saving policy:

• When AT.Wallet card connects
with host app (BLE mode), if there
is no any operations (app and
card) for 60 sec., BLE will
disconnect (avoid battery
consuming continuously), and app

will remind you about “Session

expired”

• if AT.Wallet card has no BLE or USB
connection, it will power off
automatically after 120 sec.
without any operations to avoid

battery consuming.

• Please “Log out” from App and

click specific Wallet card to login
again by fingerprint

7

| Docking

• Insert Wallet into docking: you can see it from YouTube - https://youtu.be/mSfReGrRFWg

• Connect to PC, USB icon will appear, LED#2 will be yellow flashing (battery charging; if LED#2 is off, it means battery full charged already)

8

| Quick Start

BLE pairing

App – AT.Wallet card

Enroll fingerprint(s)
& matching

Create new Wallet

Add supported
cryptocurrency

Transaction(s) or Settings

(Write down

Mnemonic words)

BLE connecting

App – AT.Wallet card

Fingerprint(s)

matching to login

Cryptocurrency

synchronization

Transaction(s)

Send/Receive

Settings

• Initial hidden wallet (create new or

recover wallet)

• Switch to hidden wallet

• Enroll/delete fingerprint(s)

• Add/delete cryptocurrency

• Logout

• Reset

• Select currency

Recover Wallet
from Mnemonic

Select
cryptocurrency &

synchronizations

Initial Wallet

Login Wallet for target actions

or

(1)

(2)

(3)

(4)

(5)

(3)

(4)

(5)

(1)

(2)

(3)

(4)

(4)

or

* It can be USB here if you start
with Mac or Windows app

* It can be USB here if you start
with Mac or Windows app

Transaction(s) or Settings

9

| Diagram

Main Wallet

Hidden Wallet

Cryptocurrency #1

Cryptocurrency #2

Cryptocurrency #3

Cryptocurrency #10

Cryptocurrency #1

Cryptocurrency #2

Cryptocurrency #3

Cryptocurrency #10

AT.Wallet card allows 2x wallets

• Main wallet + Hidden wallet

• Login Hidden wallet from Main

wallet

…..

…..

1x AT.Wallet card 2x Wallet(s) per card 10x Cryptocurrencies per wallet

10

| Mobile APP – GUI Layout

Listing available AT.Wallet cards Home Page

Listing selected cryptocurrencies

keycode

Bluetooth
RSSI value

Wallet name

Total amount of this wallet;
Default currency is following the region of host device (mobile, PC)

Menu bar

Shortcuts to
each currency

Battery status
of Wallet card

Back to Home
page

Settings

11

| Mobile APP – (1) BLE pairing

a) [App] launch AT.Wallet app (turn Bluetooth ON of the phone)
b) [Card] Power on AT.Wallet card (click power button on back side), double click power button to get into BLE secure pairing mode

(LED#2 is cyan flashing)

c) [App] available AT.Wallet cards will show on the list (you can identify target card by “keycode”)
d) [App] click target Wallet card to pair
e) [Card] LED#2 is white flashing - touch fingerprint sensor to confirm pairing; [app] confirm “Pair” from APP

(c) (d)

(e)

(e)

12

| Mobile APP – (2) Fingerprint Enrollment

a) [Card] enroll fingerprint (Put your specific finger on sensor, touch fingerprint sensor around 14~16 times)
b) [App] percentage of enrollment is increasing, until 100%
c) [Card] Verify enrolled fingerprint – “Matched” (LED#2 shows GREEN); if it’s “Mismatched” (LED shows RED), please touch again to verify

d) [App] click “Enroll” to enroll more fingerprints in, or click “Done” to end enrollment

100%

(a)

(b)

(c) (d)

13

| Mobile APP – (3) Login to Initial Main Wallet

a) [Card] Verify enrolled fingerprint – “Matched” (LED#2 shows GREEN); if it’s “Mismatched” (LED shows RED), please touch again to verify
b) [App] fingerprint matched, click “Login” to initial wallet
c) [App] assign a name of the main wallet => Create new wallet => select language for Mnemonic => select length of Mnemonic

d) [App] write down Mnemonic words to the “Recovery Sheet” inside the box

wallet1

(b)

(c) (d)

14

| Mobile APP – (3) Login to Initial Main Wallet

a) [App] answer questionnaires following the “Recovery Sheet” that you wrote down
b) [App] (option) for better security, you can assign “Passphrase” for those “Mnemonic words” for recovery, so when you do “recover wallet

base on Mnemonic words”, it needs type in correct “Passphrase” to recover (please remember your Passphrase, we can’t record it)!

15

| Mobile APP – (4) add supported cryptocurrency

a) [App] Select and add specific cryptocurrency, we allow max 10x cryptocurrencies, and it can be duplicated (for example, 2x Bitcoin, 3x

Ethereum, ….)

b) [App] each cryptocurrency will sync with chain to show the total amount, also the default currency/exchange rate – following region of host

app (Mobile, PC), it’s adjustable from settings

zwallet

Transaction records of selected
cryptocurrency

Add Cryptocurrency

Select available
cryptocurrency

Detail of each transaction
record

16

| Mobile APP – (4) add supported cryptocurrency – BIP84

• BIP44 refers to the accepted common standard to derive non segwit addresses. These

addresses always begin with a 1. (default of AT.Wallet)

• BIP84 refers to the accepted common standard of deriving native segwit addresses. These

addresses always begin with bc1 - and are referred to bech32 addresses.

• You can switch to BIP84 when you are adding new cryptocurrency (Bitcoin or LiteCoin only) as below

https://blockgeeks.com/guides/w
hat-is-segwit/

What’s Segwit? Check here
for ideas

Default is 44’,

click it to show
up options

From “Settings” =>

Add Cryptocurrency

Select Bitcoin or Litecoin for BIP84;
then click Advance

17

| Mobile APP – (5) transactions - Receive

a) [App] Select type of Cryptocurrency, click “Receive” button
b) [App] showing QR code and address
c) [App] Sender can do QR code scan to get sending address to send; or we can share the QR code/address to user via app or by “copy &

paste” to share it manually

d) [Card] Fingerprint verification is NOT necessary for receiving cryptocurrency from sender

18

| Mobile APP – (5) transactions - Send

a) [App] Select type of Cryptocurrency, click “Send” button

b) [App] Send to target wallet by scan QR Code (Camera), or paste target address from clip board
c) [App] type in amount (cryptocurrency) and select the gas fee (3 levels – higher gas fee can speed up the transaction), or type in manually – but if the

type in amount is lower than min. gas fee, we will just assign the min. demanding fee
d) [App] Double confirm the “send to address” and amounts
e) [Card] Confirm to verify “bound” fingerprint(s) or enrolled fingerprint if there is bound wallet => Matched => Done => Send Success or Fail notifications

(a) “Send” page

(b) (c) Scan QR code or paste address

to send; type in amounts

(d) Check the address (APP
and E-ink) and amounts (APP)
to confirm

(e) Verify by bound
fingerprint(s); or verify by

any enrolled fingerprint if

there is no binding

19

| Menu bar and Settings

Home Page

Listing selected cryptocurrencies

Menu bar

Shortcuts to
each currency

Battery status

of Wallet card

Back to Home

page

Settings

You only can delete created
cryptocurrency here

You can add new cryptocurrency
here;
If you want to enable BIP84 for

Bitcoin or Litecoin, here is the

only place to enable (check

BIP84 page)

20

| Settings (for AT.Wallet card)

1x AT.Wallet card 2x Wallet(s) per card 10x Cryptocurrencies per wallet

• Check and upgrade
firmware automatically

• Wallets are gone – user
can re-create or recover

wallet; enrolled

fingerprints are still there.

• Everything is gone

• AT.Wallet card ID, Firmware

version, battery status

• Select currency

• Enroll new fingerprint(s) – up to 8x fingers

(only delete to add)

• Delete fingerprints – delete the fingerprint you
verified; but if the fingerprint bound with

assigned wallet, it can’t be deleted

• If there is something wrong from your
fingerprint sensor (environment or
temperature), do it to re-calibrate sensor to
work (during calibration, don’t touch

fingerprint sensor!!)

21

| Settings (for Wallet)

1x AT.Wallet card 2x Wallet(s) per card 10x Cryptocurrencies per wallet

• Rename current wallet (main or hidden wallet), or rename

cryptocurrency (nickname)

• Assign to bind specific finger to login wallet – so only the
bound finger can login the wallet

• Unbind finger to login wallet – so any enrolled finger can
login wallet(s)

• Initial hidden wallet here – hidden wallet can login via
“Switch to Another Wallet” from here

• You can add new cryptocurrency here; if you want to

enable BIP84 for Bitcoin or Litecoin, here is the only place
to enable (check BIP84 page)

• Delete Cryptocurrency – you only can delete created
cryptocurrency here

• Logout wallet, BLE disconnected; or Wallet card is power off
(no operations for a while), please log out here, then re-login

• If there is no any fingerprint bound with specific wallet

• Login main wallet via any enrolled fingerprint

• Switch to Hidden wallet from Main wallet

• Standalone mode is only for main wallet

• Bind specific fingerprint(s) to login Wallet

• Assign one or more fingerprints to login – please remember which fingerprint(s) to bind the

wallet, we can’t help to record it

• If you assign multiple fingerprints to bind the wallet, it’s “OR” scenarios, that means you need
to verify bound fingerprints one by one (no sequence, click “Verify” button for next

fingerprint), click DONE to login

• You can login Main wallet or hidden wallet via bound fingerprint(s)

Fingerprint binding is
disabled at current release

22

| Settings - Bind Login Fingerprint

• If there is no any fingerprint bound with specific wallet

• Login main wallet via any enrolled fingerprint

• Switch to Hidden wallet from Main wallet

• Standalone mode is only for main wallet

• Bind specific fingerprint(s) to login Wallet – we disabled fingerprint bind at current release

• Assign one or more fingerprints to login – please remember which fingerprint(s) to bind which wallet, we can’t help to record it

• If you assign multiple fingerprints to bind the wallet, it’s “OR” scenarios, that means you need to verify bound fingerprints one by one (no

sequence, click “Verify” button for next fingerprint), click DONE to login

• You can login Main wallet or hidden wallet via bound fingerprint(s)

No bound fingerprint:

Verify any enrolled finger, “Matched”, click “Login” to main wallet

bound fingerprint (ex. finger#1 and finger#2 for main wallet):

Finger#1 verified, “Matched”, click “Verify” for 2ndfingerprint;
Finger#2 verified, “Matched”, click “Login” to the wallet

23

| Windows/Mac APP – GUI Layout

Listing available, paired or connected AT.Wallet cards

Home Page, Listing selected cryptocurrencies

Settings Page

Log out Wallet app

24

| Windows/Mac APP – BLE Pairing or USB connecting

Connect via BLE:

a) [App] launch AT.Wallet app (turn Bluetooth ON of the Windows/Mac)
b) [Card] Power on AT.Wallet card (click power button on back side), double click

power buttonto get into BLE secure pairing mode (LED#2 is cyan flashing)

c) [App] available AT.Wallet cards will show on the list (you can identify target card by

“keycode”)

d) [App] click target Wallet card to pair
e) [Card] LED#2 is white flashing - touch fingerprint sensor to confirm pairing; [app]

confirm “Connect” from APP

a) [App] launch AT.Wallet app
b) [Card] Put card on docking, connect USB to Windows/Mac, card

will power on automatically

c) [App] connected AT.Wallet cards will show on the list [App] click

target Wallet card to connect

Connect via USB:

(c ),(d)

(e)

(c )

25

| Windows/Mac APP – (2) Fingerprint Enrollment

a) [Card] enroll fingerprint (Put your specific finger on sensor, touch fingerprint sensor around 14~16 times)
b) [App] percentage of enrollment is increasing, until 100%
c) [Card] Verify enrolled fingerprint – “Matched” (LED#2 shows GREEN); if it’s “Mismatched” (LED shows RED), please touch again to verify
d) [App] click “Enroll” to enroll more fingerprints in, or click “Next” to end enrollment

(a) (b)

(c) (d)

26

| Windows/Mac APP – (3) Login to Initial Main Wallet

a) [Card] Verify enrolled fingerprint – “Matched” (LED#2 shows GREEN); if it’s “Mismatched” (LED shows RED), please touch again to verify
b) [App] fingerprint matched, click “Login” to initial wallet

(b)

27

| Windows/Mac APP – (3) Login to Initial Main Wallet

a) [App] assign a name of the main wallet => Create new wallet => select language for Mnemonic => select length of Mnemonic
b) [App] write down Mnemonic words to the “Recovery Sheet” inside the box

hand writing

28

| Windows/Mac APP – (3) Login to Initial Main Wallet

a) [App] answer questionnaires following the “Recovery Sheet” that you wrote down
b) [App] (option) for better security, you can assign “Passphrase” for those “Mnemonic words” for recovery, so when you do “recover wallet

base on Mnemonic words”, it needs type in correct “Passphrase” to recover (please remember your Passphrase, we can’t record it)!

29

| Windows/Mac APP – (4) add supported cryptocurrency

a) [App] Select and add specific cryptocurrency, we allow max 10x cryptocurrencies, and it can be duplicated (for example, 2x Bitcoin, 3x

Ethereum, ….)

b) [App] each cryptocurrency will sync with chain to show the total amount, also the default currency/exchange rate – following region of host

app (Mobile, PC), it’s adjustable from settings

Transaction records of selected
cryptocurrency

Detail of each transaction
record

Exchange rate can be selected form Settings;
default is following the region of Windows/Mac OS;

30

| Windows/Mac APP – (5) transactions - Receive

a) [App] Select type of Cryptocurrency, click “Receive” button
b) [App] showing QR code and address
c) [App] Sender can do QR code scan to get sending address to send; or we can share the QR code/address to user via app or by “copy &

paste” to share it manually

d) [Card] Fingerprint verification is NOT necessary for receiving cryptocurrency from sender

31

| Windows/Mac APP – (5) transactions - Send

a) [App] Select type of Cryptocurrency, click “Send” button

b) [App] Send to target wallet by scan QR Code (Camera), or paste target address from clip board
c) [App] type in amount (cryptocurrency) and select the gas fee (3 levels – higher gas fee can speed up the transaction), or type in manually – but if the

type in amount is lower than min. gas fee, we will just assign the min. demanding fee
d) [App] Double confirm the “send to address” and amounts
e) [Card] Confirm to verify “bound” fingerprint(s) or enrolled fingerprint if there is bound wallet => Matched => Done => Send Success or Fail notifications

(a) “Send” page

(b) (c) Scan QR code or paste address

to send; type in amounts

(d) Check the address (APP
and E-ink) and amounts (APP)
to confirm

(e) Verify by bound
fingerprint(s); or verify by

any enrolled fingerprint if

there is no binding

32

| Settings

Current login wallet

Fingerprint(s) for AT.Wallet card

AT.Wallet card management

Select your preferred currency (country)
for the exchange rate to cryptocurrency

• Delete fingerprint: deleted the finger you verified

• Calibrate Fingerprint: if you feel fingerprint accuracy is not same as

before, or something wrong from fingerprint sensor, do re-calibrate

to make it back to normal (don’t touch the sensor when it’s doing

calibration)

• Create a new hidden wallet, or recover wallet to this hidden

wallet,; the hidden wallet can only login here, it won’t show on

standalone mode.

• Add Cryptocurrency: You can add new cryptocurrency here; if
you want to enable BIP84 for Bitcoin or Litecoin, here is the only
place to enable (check BIP84 page)

• Delete Cryptocurrency: you only can delete created cryptocurrency

here

• Firmware update - it’s better connecting via USB; checking any
available new firmware on server for updating.

• Reset Wallet – reset current login wallet, so it needs to initial wallet
again but enrolled fingerprints are still kept.

• Factory reset – reset everything and back to factory state

33

| Standalone mode

Power on

Verify assigned fingerprint to login

main wallet

Fingerprint matched to login main

wallet

Name of Main wallet

1stcryptocurrency summary

1stcryptocurrency QR Code for

receive transaction

1stcryptocurrency address for

receive transaction

2ndcryptocurrency summary

Toggle power button to next
page continuously

• If there is no any bound
wallet, here will be
always login main wallet

• If you bound fingerprint

for specific wallet, please

verify by all bound finger
to login

Loading …

34

| LED indicator and E-ink display

LED#1 LED#2 E-ink

Power ON Static Blue Blue flashing (icon) BLE or USB – (icon) Battery – [Welcome]

BLE pairing mode Static Blue Cyan flashing (icon) Battery – [message]

BLE pairing confirmation Static Blue White flashing
BLE connected to host Static Blue Static Blue
Waiting for fingerprint matching Blue flashing Blue (icon) BLE or USB – (icon) Battery – [message]
Fingerprint matched Blue Green ON (icon) BLE or USB – (icon) Battery – [message]
Fingerprint not matched Blue RED ON (icon) BLE or USB – (icon) Battery – [message]
Battery charging Blue Yellow flashing (icon) USB – (icon) battery charging

(icon) battery charging

Low battery Blue RED flashing (icon) battery low (from low to fully charge, it needs

more than 1 hours)

Battery charging till booting N/A RED flashing No display (from none to low – card power on, it may

need ~30 minutes)

Level3: full (85%~100%)
Level2: 35%~85%
Level1: <35%, low battery, and
LED#2 is RED flashing

• E-Ink: Icons + message (English and Japanese now).

• Message language is following APP “OS language” (of

phone or PC) to show Japanese or English.

• USB icon: card is

connecting to USB data

port and be recognized
as a HID device

• w/o USB icon: card is
connecting to USB but
battery charging only

Battery icon:

35

| Fingerprint Things

Fingerprint is a key benefits of AT.Wallet, some highlights here:

• You must enroll your fingerprint into AT.Wallet first

• Connect AT.Wallet card to app to enroll

• When you need doing fingerprint verification?

• LED#2 is blue flashing

• Login Wallet

• Transaction – Send cryptocurrency

• How many fingerprints allow to enroll into Wallet card?

• 8x fingerprints

• How to enroll fingerprint into Wallet card?

• Through APP to guide you, touch and lift fingerprint sensor 12~16 times to complete the enrollment for one finger

36

| Regulation

CCAO19LP0810T6

FCC ID: 2AOPY-ATWALLET01

209-J00375

Thank You!!

www.authentrend.com

[e-mail]