To sell your ONE you need to have a Metamask account and deposit ETH into it, so sell your ONE for ETH and insert your Metamask address and then sell ETH for EUR or USD on Metamask.
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This Bridge between Harmony ONE and Ethereum is needed because of the lack of decentralised off-ramp services for Harmony ONE so Sparkle found this decentralised solution implementing the most used decentralised ETH wallet and making you swap between ONE and ETH.
Sparkle Wallet
Sparkle Wallet is an independent, self-funded organization.
We provide a free, open-source, client-side tool for interacting with the blockchain.
We do not collect, hold, or store keys, account information, or passwords. We do not collect data, do not monetize the collection of data, and do not use your data for marketing or advertising.
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