JasmyCoin wallet

What is JasmyCoin (JASMY)?

JasmyCoin comes out of a Japanese project focused on personal data and connected devices: the idea is that data generated by your devices stays under your control and is exchanged on your terms, with JASMY as the unit inside that framework. The company behind it grew out of Sony alumni and works within Japan's regulatory environment, which gives the project an unusually corporate shape for a token with this kind of distribution.

Mechanically, JASMY is about as plain as an asset gets: a single ERC-20 contract on Ethereum, nothing more. There is no version on another chain that you need to keep separate, no rebasing balance, no wrapped twin. What comes with the Ethereum choice is the fee: every transfer is paid in ETH at whatever the network costs at that moment, and on a busy day moving a modest amount of JASMY can cost more than it is worth to move. This pushes most holders toward doing fewer, larger transfers and simply leaving the balance alone in between.

The other consequence of being ERC-20 is that the contract address is the only thing that identifies genuine JASMY. Tokens copying the name and ticker cost nothing to deploy, and a balance added to a wallet by hand from the wrong address will look convincing.

This is a hold-and-wait asset, so the key protecting it should be equally patient. On a Tangem card the key is produced inside the chip and stays sealed there, with the ETH for fees sitting in the same wallet and a tap confirming a transfer when one is finally needed. Years of doing nothing is a storage scenario a card handles without complaint, which suits JASMY well.

Supported networks in Tangem (1): Ethereum.