Sunday, December 15, 2019

Test Release of Virtual Graffiti App “Kokorobakari” for Writing Graffiti and Making Donations Using Blockchains – Developed by Profound Design Technology and Saltfish

Business Wire
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YOKOHAMA, Japan–(BUSINESS WIRE)–Profound Design Technology Co., Ltd. (Head Office: Yokohama City, Kanagawa Prefecture), which specializes in semiconductor design and the development of blockchain-related apps, and Saltfish Co., Ltd. (Head Office: Yokohama City, Kanagawa Prefecture) have jointly developed the virtual graffiti app “Kokorobakari” and released it as a test version on the Ethereum test network Ropsten on October 16, 2019. With this app, people can use blockchains to save memories from travel destinations as graffiti and make donations as a “small gift from the heart” in return for all the inspirational moments during their trip. “Kokorobakari” is one kind of application in the category of so-called DApps (Decentralized Applications).

For details on how to use Kokorobakari:


[Arrival of a smartphone app for easily making donations using virtual currency]

The virtual graffiti app “Kokorobakari” is a smartphone app enabling you to leave your great memories of travel destinations semi-permanently on a blockchain and also easily make donations using virtual currency. (However, as this is currently still a trial on the test network, the virtual currency used has no monetary value.)

Kokorobakari saves memories from travel destinations as graffiti together with location information on a blockchain. You can also choose the donation recipient from a list and make a donation of roughly one dollar using virtual currency (Ethereum).

Using a smartphone or PC, you can view the saved graffiti at any time on a map. As the graffiti is saved on a blockchain, your memories will actually remain there semi-permanently, so there is no need to make backup copies of the graffiti. You are also able to set whether or not to disclose your own graffiti to other people.

In addition to writing graffiti at a travel destination, you can also use Kokorobakari to view other travelers’ graffiti. From the comfort of your home, you can view other people’s graffiti from all over the world displayed on a map. Also, for graffiti written in other languages, Kokorobakari will automatically translate the content into the user’s designated language.

Profound Design Technology has obtained a patent in Japan with regard to this virtual graffiti app (Patent no. 6521344).

Profound Design Technology Co., Ltd. website:


[For inquiries regarding this press release]

Profound Design Technology Co., Ltd.

Yasutaka Tsukamoto


[email protected]

(c)2018 Business Wire Inc., All rights reserved.
Original Release: Business Wire

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