In January, a leaked photo of the iPhone rival suggested the handset will come with an in-built cryptocurrency wallet that support both bitcoin and ethereum.
Several other smartphone makers have included in-built cryptocurrency wallets in their phones, such as the HTC Exodus and the Sirin Finney.
If the South Korean electronics giant features a wallet, it could signal a major shift towards such technology being standard on smartphones, helping cryptocurrencies achieve mainstream adoption.
Bitcoin's volatile history in pictures
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Market experts say the latest gains are the result of increased positivity surrounding cryptocurrencies in recent days.
“These gains are clearly creating a wave of optimistic sentiment throughout the crypto community, with market volume up by $8 billion in the last 24 hours," Mati Greenspan, senior market analyst at the online trading platform eToro, told The Independent.
"Market volume is now above $36 billion and we haven’t seen these levels since April 2018. But, until Bitcoin breaks above the much-needed psychological level of $5,000, the bear market is still very much in play.”
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