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Tether has proposed a two-stage merger that would fold crypto trading platform Strike and bitcoin miner Elektron Energy into Twenty One Capital Inc. (NYSE: XXI), the bitcoin treasury venture that went public in December 2025 through a SPAC merger. Tether Investments, XXI's majority shareholder, said Wednesday it intends to vote its shares in favor of the combination. The announcement sent XXI's stock up 6.6% in after-hours trading, though shares remain down 15.8% year-to-date.
The structure is Strike first, Elektron second. Strike, founded by Jack Mallers, lets investors trade and borrow against bitcoin, giving the combined entity a financial-services arm with recurring revenue. Elektron Energy, led by Raphael Zagury, manages roughly 50 EH/s of hashrate — about 5% of the current Bitcoin network — and Zagury would serve as president of the merged company.
Why it matters
This is more than M&A plumbing. A pure-play BTC treasury company on a public exchange is a passive vehicle — it rises and falls with the price of bitcoin and the patience of its holders. Adding Strike and Elektron converts XXI into a hybrid: a balance sheet plus a profitable trading and lending business plus a self-mining operation that accumulates bitcoin at the source. Tether framed the move as positioning XXI to become "the premier listed Bitcoin company in the world."
The proposal also tightens Tether's grip on its listed vehicle at exactly the moment stablecoin issuers are racing to anchor themselves to public-market infrastructure. Strike gives Tether a fiat on- and off-ramp to its USDT base, and Elektron gives XXI a non-dilutive way to add to its BTC stack without tapping capital markets.
Market impact
The 6.6% after-hours pop suggests the market is reading the deal as value-accretive rather than dilutive — investors are pricing in optionality from Strike's recurring revenue and Elektron hashrate, not just bitcoin exposure. The structural read: any SPAC-era BTC treasury that traded as a pure beta to spot BTC now has a blueprint to upgrade itself into an operating business, and competitors will be forced to respond or accept the discount.
Frequently asked questions
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What is Tether proposing with Twenty One Capital?
Tether Investments, XXI's majority shareholder, has proposed a two-stage merger combining Twenty One Capital first with Strike (Jack Mallers' bitcoin financial-services firm) and then with Elektron Energy (a bitcoin miner running ~50 EH/s, about 5% of the network).
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How did XXI stock react to the merger announcement?
Twenty One Capital's shares jumped 6.6% in after-hours trading on Wednesday following Tether's announcement, though the stock remains down 15.8% year-to-date since its December 2025 SPAC listing.
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What would Elektron Energy add to the combined company?
Elektron Energy, led by Raphael Zagury, manages roughly 50 EH/s of hashrate — about 5% of the current Bitcoin network. Zagury would serve as president of the merged entity, giving XXI a self-mining pipeline that accumulates bitcoin without tapping capital markets.
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Why does Tether want to combine Strike with XXI?
Strike gives the combined entity a financial-services division with recurring revenue — investors can trade and borrow against bitcoin. Tether framed the move as positioning XXI to become "the premier listed Bitcoin company in the world," moving beyond a passive treasury model.
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What is the timeline for the Twenty One Capital merger?
The proposal outlines Strike first, then Elektron. The next discrete catalysts to watch are the shareholder vote, the closing of the Strike combination, and the subsequent Elektron merger — each step can move XXI independently of BTC's spot price.
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