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Metaplanet's brokerage deal 'badly undersells' plans for bitcoin-backed 'Bitbonds,' Benchmark says

Reported by Theblock
Jul 27, 2026· 3 min read
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Key Takeaways
  • • Metaplanet acquired Siiibo Securities for approximately $13.1 million (¥2.1 billion) to secure a Type I securities license, enabling the company to manufacture, distribute, broker, and underwrite financial products including Bitcoin-linked investments.
  • • Benchmark claims the brokerage acquisition "badly undersells" Metaplanet's broader strategic vision for "Bitbonds"—debt instruments backed by Bitcoin reserves that could position the Japanese firm as a major player in digital-asset-backed securities.
  • • Metaplanet has simultaneously pursued aggressive debt financing for Bitcoin accumulation, issuing $50 million in zero-interest bonds and securing a $130 million credit facility backed by its Bitcoin collateral to expand holdings beyond its current 18,991 BTC treasury.
  • • The company faces valuation pressure as its stock price has declined, with enterprise value falling below the value of its Bitcoin reserves, threatening the equity-based fundraising model that has underpinned its treasury-building strategy.
  • • The Siiibo acquisition provides regulated infrastructure to launch Bitcoin-backed debt products, but analyst commentary suggests the transaction captures only a fraction of management's ambitions to establish Metaplanet as Japan's premier Bitcoin yield platform.
Summary
Metaplanet has acquired Siiibo Securities for $13.1 million to advance its strategy of creating Bitcoin-backed investment products, securing a regulated securities platform in Japan. The acquisition grants Metaplanet a Type I securities license, which authorizes the company to manufacture, distribute, broker, and underwrite financial instruments—critical infrastructure for launching the company's planned "Bitbonds," debt instruments backed by Bitcoin collateral. According to Benchmark analysis, however, the brokerage deal represents only a narrow tactical move that undersells Metaplanet's broader vision to become Japan's dominant Bitcoin yield firm.

The regulatory licensing represents a strategic inflection point in Metaplanet's bitcoin treasury business model. Rather than simply accumulating Bitcoin, management intends to leverage its growing reserves as collateral backing new asset classes—particularly debt securities that could offer yield to institutional investors while maintaining Bitcoin exposure. The securities license removes a significant regulatory barrier to executing this strategy at scale.

Metaplanet has simultaneously pursued aggressive debt financing to expand its Bitcoin holdings, issuing ¥8 billion ($50 million) in zero-interest bonds and securing a $130 million credit facility backed by Bitcoin collateral. These capital raises underscore management's conviction in Bitcoin appreciation and its confidence in the asset's utility as collateral. The company currently holds approximately 18,991 BTC across its treasury.

However, execution risks have materialized. Metaplanet's stock price has declined significantly, with the company's enterprise value now trading below the book value of its Bitcoin reserves—a troubling signal that equity markets have discounted the company's ability to generate shareholder value beyond its asset holdings. This valuation compression threatens the fundraising model that has enabled the Bitcoin accumulation strategy and may constrain future capital access. The Siiibo acquisition positions Metaplanet to launch its Bitbonds platform, but the regulatory path to scaled debt issuance and the market demand for Bitcoin-backed securities remain unproven.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Theblock Metaplanet's brokerage deal 'badly undersells' plans for bitcoin-backed 'Bitbonds,' Benchmark says