No purchase price was disclosed. The deal closes out SoftBank's involvement in a company it helped seed less than two years ago, when it contributed roughly 10,500 BTC to Twenty One Capital's founding treasury. With the transaction complete, Tether's equity control of XXI is now uncontested. Those Bitcoin holdings remain on XXI's corporate balance sheet, as they always have, but the shareholder rights governing the company now rest entirely with Tether. SoftBank's board representatives stepped down at closing, in line with the company's existing shareholder agreement.

Twenty One Capital launched in April 2025 through a SPAC merger with Cantor Equity Partners, a vehicle tied to Cantor Fitzgerald, the investment bank formerly led by Howard Lutnick, who has since been confirmed as US Secretary of Commerce. The company listed on the NYSE in December 2025 with 43,514 BTC (worth roughly $3.9 billion at the time) as its core asset, making it the second-largest corporate Bitcoin holder globally behind Strategy Inc. Tether and its affiliate Bitfinex contributed a combined 31,500 BTC at formation, with Tether providing 24,500 BTC and Bitfinex contributing the remaining 7,000 BTC. Jack Mallers, founder of the Bitcoin Lightning payments platform Strike, serves as XXI's CEO and has framed XXI as an operating business built around Bitcoin rather than a passive treasury vehicle.

In its statement on the deal, Twenty One Capital acknowledged SoftBank's role in getting the company off the ground: "SoftBank played an important role in XXI's formation and early development, bringing institutional credibility from its track record backing technology and infrastructure companies globally." Tether CEO Paolo Ardoino has been clear about why he sees that operational framing as essential. Speaking at the Bitcoin 2026 conference in Las Vegas on April 29, he said: "I think that you want a treasury company to have an amazing operational business." That same day, Tether Investments formally proposed a three-way merger combining XXI with Strike and Elektron Energy, one of the world's largest private Bitcoin miners, running roughly 50 exahashes per second (about 5% of the global network's total computing power) at a production cost below $60,000 per coin. The status of that proposal has not been publicly updated.

Tether's own Bitcoin accumulation gives context to the scale of its ambitions. The company allocates up to 15% of quarterly profits to Bitcoin purchases, a policy in place since 2023. Ardoino confirmed holdings of more than 140,000 BTC at the April conference; on-chain data from Arkham Intelligence had tracked approximately 97,204 BTC at that point, with the remainder held in addresses not yet publicly attributed. At an approximate reference price of $75,000 per BTC, the total position is valued at over $10.5 billion. Tether posted roughly $1.04 billion in profit in the first quarter of 2026 alone, largely from its stablecoin operations. USDT currently holds approximately 58.76% of the global stablecoin market, with a circulating supply of around $189 billion out of a total stablecoin market worth $322.74 billion. That share has edged down from roughly 60% a year ago, as USDC continues to gain ground in a market that is becoming increasingly competitive.

For users outside the United States, particularly in South Asia and Sub-Saharan Africa, the consolidation carries more immediate implications than equity market movements.

Two days before the SoftBank buyout was announced, Tether made a strategic investment in LemFi, a cross-border payments platform serving African and Asian diaspora communities across the UK, US, Canada, and Europe. LemFi processes over $1 billion in monthly transactions and counts more than one million users, with key corridors connecting those markets to Nigeria, Kenya, Ghana, India, and Pakistan. The partnership will embed USDT directly into LemFi's settlement layer, with the platform promising transfers completed in under one minute at roughly 45% lower cost than conventional wire services. Africa remains the world's most expensive remittance corridor by World Bank measures, with average fees near 8%, well above the UN's 3% development target.

The broader picture is one of rapid vertical integration. If the proposed three-way merger with Strike and Elektron Energy closes, the resulting entity would span Bitcoin treasury holdings, a mining operation that has produced more than 5,500 BTC to date at a cost below $60,000 per coin, and a Lightning Network payments platform already active in more than 100 countries. Strike has been operationally significant in developing economies, most notably El Salvador, and a merged entity operating at greater scale could accelerate payment infrastructure in markets like Nigeria, India, and Bangladesh where low-cost cross-border rails remain scarce.

The concentration of control raises questions that regulators may struggle to ignore. A single private company now sits atop the dominant global stablecoin and the second-largest publicly listed corporate Bitcoin treasury. Oversight bodies in India (SEBI and RBI) and Nigeria, both already navigating crypto regulatory frameworks under pressure from the Financial Action Task Force, may face renewed scrutiny over what systemic risk, if any, that concentration creates for their own financial infrastructure. The competitive dynamics in Asia add further complexity: Metaplanet, the Japan-listed Bitcoin treasury vehicle that has positioned itself as a regional counterpart to Strategy Inc., could find itself further marginalized by institutional capital flows if SoftBank's exit signals a broader withdrawal of Asian institutional entrants from the sector.

The SoftBank departure marks a turning point not just in ownership structure but in the strategic direction of corporate Bitcoin. Tether now holds the clearest claim to vertical integration in the industry, spanning coin production, treasury custody, and payments infrastructure. The coming months will test whether that consolidation translates into the operational network Ardoino has repeatedly said he is building toward.

Market data and valuations referenced in this article reflect figures reported as of late April to mid-May 2026. Bitcoin holdings and stablecoin market share figures are drawn from company disclosures and Arkham Intelligence on-chain data. Remittance cost figures are sourced from World Bank and UN reporting.