Streamr XDATA wallet

What is Streamr XDATA (XDATA)?

A wallet that shows XDATA is holding the older of Streamr's two token contracts. Streamr is a peer-to-peer network for real-time data streams, where publishers push data and node operators relay it, and the token is the unit those participants pay and are paid in. When the contract was upgraded, the new token carried the DATA ticker forward and the pre-upgrade balance ended up under the separate XDATA name.

For a holder, that distinction is the whole story. XDATA and DATA are two different ERC-20 contracts; an application or listing built for DATA will not see an XDATA balance, and no wallet converts one into the other on its own. Streamr provided a swap route for moving old tokens onto the current contract. Until that is done, XDATA behaves like any plain ERC-20 on Ethereum: it moves only when you sign an Ethereum transaction and pay the fee in ETH, and it has no special transfer rules of its own.

Because of all that, XDATA is usually a position someone has been sitting on for years rather than something moved weekly. Tangem generates the private key inside the card's secure element and never exports it, and the backup is a second identical card rather than words on paper, though a recovery phrase remains available if you want one. For a balance that may wait a long time before it is touched again, a key that lives on something which survives in a drawer is the arrangement that fits.

Supported networks in Tangem (1): Ethereum.