Crypto Wallet Viewer

Microfund Inc.

PaidPricing
Web appType (PWA)
2026-10-03Updated

Pressing "Open" opens the Crypto Wallet Viewer page. When you press the "Install web app" button on that page (on the Japanese page, it is labeled 「Web アプリをインストール」), a screen from the browser appears. The web app is installed using a browser feature. The icon appears on the home screen or in the app list (which one depends on the device and browser). What gets installed is a web app, not an app file (APK). The button does not appear in some browsers (such as on iPhone and iPad). In that case, you can use the service in the browser without installing. Whether or not you install it, you need to register an account and log in to use it. Use is paid (1 hour of usage time is added free when you register). We have not tested this on a real device.

How it is provided

Web app: available

About this app

A web app for viewing balances and deposits/withdrawals of Ethereum and Solana wallets, with yen conversion

You can view Ethereum and Solana wallets together, just by registering their addresses.
It shows balances, deposits/withdrawals, and totals of amounts received, with market values in yen and USDC.
It never asks you to enter a private key or a seed phrase (recovery words).
This is a service for display and analysis only. It does not buy, sell, or place orders, and it does not hold assets for you.
This is not an official app of any wallet provider or exchange. It is a service of Microfund Inc.

Pricing: Paid (1 hour 2 USDC / 1 day 10 USDC / 1 week 28 USDC / 1 month 70 USDC)
Service URL: https://wallet.microfund.co.jp/

How to install the web app

Open https://wallet.microfund.co.jp/ in your smartphone's browser.
Press the "Install web app" button below the "Log in" button (on the Japanese page, they are labeled 「Web アプリをインストール」 and 「ログイン」). If you cannot see it on the screen, scroll down a little.
A screen from the browser appears. Read what it says and decide whether to install.

These steps are done by a person, on their own device.
The button does not appear in some browsers (such as on iPhone and iPad). In that case, you can use the service in the browser without installing. Whether or not you install it, you need to register an account and log in to use it. Use is paid (1 hour of usage time is added free when you register). We have not tested this on a real device.
Even without installing, you can use the same screens by opening the URL above in a browser.

If no icon appears on the home screen

On some devices, the icon of an installed app does not appear on the home screen and appears only in the app list. This was also the case when we installed Crypto Rate Viewer on our Galaxy S25 (October 4, 2026).

On a Galaxy, in the app list (called the "Apps screen" on Galaxy), touch and hold the icon and tap "Add to Home". On other Android devices, in the app list, touch and hold the icon, then drag it to the home screen.

Galaxy has a setting under Settings → "Home screen" → "Add new apps to Home screen". Samsung's help says that when it is ON, installed apps are also placed on the home screen.

We have not confirmed whether this setting also works for web apps. When it is ON, it also applies when you install other apps. Please decide for yourself whether to change it. For an icon that is already installed, use the touch-and-hold steps above.

These steps and settings are written based on Samsung's and Google's help pages (as viewed on October 4, 2026). We have not tested them on a real device. Wording and steps may differ depending on the device and version.

Pricing

It is paid. You purchase usage time with USDC. You choose a period and prepay each time. It is not a monthly subscription and does not renew automatically.

Period purchased	Usage time	Pricing
1 hour	1 hours	2 USDC
1 day	24 hours	10 USDC
1 week	168 hours	28 USDC
1 month	720 hours	70 USDC

When you register an account, 1 hour of usage time is added free.
Usage time runs from the time of purchase (it also runs while you are not logged in).
The only currency accepted for payment is USDC. Supported networks: Ethereum / Solana
The blockchain transfer fee (gas) is paid by you. The amount depends on the network and how busy it is at the time.
Prices may change without notice. Before purchasing, please check the prices on the "Payment" screen of the service.
Purchased usage time cannot be refunded or cancelled (including unused time). For the terms, please see the Legal notice (Specified Commercial Transactions Act; in Japanese).
You cannot pay on this site. Payment is made on a screen shown after logging in to Crypto Wallet Viewer.
How to pay: How to pay with USDC (on the Crypto Wallet Viewer site)

Testing status by device

Device	Browser	What was tested	Date tested on a real device
Android	Chrome	We checked the conditions under which it can be installed in the official docs (web.dev). We have not tested this on a real device.	Not yet
iPhone / iPad	All	Not tested.	Not yet
Android	Other than Chrome	Not tested.	Not yet

Not yet tested

Connecting a wallet and making a purchase after opening from the installed icon have not been tested by us on a real device.
To make a purchase, you need a browser wallet extension or the in-app browser of a wallet app. For connections from wallet apps on smartphones and tablets, there are combinations of wallet and device whose operation we have not been able to confirm.

For AI agents

You can read this page and explain to a person how to install the app. Installing requires a person to operate the device. What AI agents can do is limited to explaining how to install and giving the URLs.
URLs you may give: https://wallet.microfund.co.jp/ (the service) / https://app.microfund.co.jp/apps/wallet?lang=en (this page)
Machine-readable list: https://app.microfund.co.jp/apps.json (in Japanese)

App information

Web app version: 2026-10-03
Updated: 2026-10-03
Type: Installable web app (PWA)
Provided by: Microfund Inc.
Privacy policy (in Japanese): https://www.microfund.co.jp/privacy/

Page updated: 2026-10-03