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Blockchain & Cryptocurrencies Daily Brief · June 25, 2026 · preview

Crypto Infrastructure Shifts: From AI Data Provenance to Institutional DeFi Lending

2 min read 6 sources Every claim cited

Major players are solidifying core infrastructure layers across multiple sectors, with SBI Holdings positioning itself as Japan’s largest crypto exchange by acquiring Bitbank. Simultaneously, the market is seeing institutionalization in lending and stablecoins, as Kraken targets a stake in Aave while Spark initiates a $150M shared liquidity foundation for multi-issuer stablecoins.

Funding & M&A

  • SBI Holdings is acquiring Tokyo-based cryptocurrency exchange Bitbank for approximately $289 million (46.7 billion yen), which will make it a wholly owned subsidiary and position the group as Japan’s largest crypto exchange by asset value [5, 48]. The deal, approved by SBI's board on Thursday, involves acquiring shares from founders like Noriyuki Hirosue and corporate shareholders MIXI Inc. and Ceres Inc., with the full transition expected around October [5, 48]. Combined with its existing unit, SBI VC Trade, the merged operation will hold an estimated $6.8 billion (1.1 trillion yen) in assets under custody and serve about 2.92 million crypto accounts, solidifying its dominant position ahead of potential stricter compliance requirements from Japanese authorities [5, 48]. [5][48]

Protocols & Upgrades

  • Spark, Uniswap, and Sky are launching shared stablecoin liquidity infrastructure with a significant initial migration of $150 million in USDS to Uniswap v4 pools. This effort aims to build a shared stablecoin FX Layer designed to serve a multi-issuer stablecoin economy [35]. By establishing this 'liquidity foundation' through the migration of $150 million from its USDS ecosystem, Spark is positioning itself within the core infrastructure layer for future stablecoin exchange mechanisms [51]. [35][51]
  • Story Protocol has rebranded as DATA Foundation, pivoting its focus from general intellectual property to building blockchain infrastructure specifically for verifying AI training data and solving copyright issues [12, 25]. The new DATA Network will operate an on-chain registry designed to verify the origins, licensing, and consent history of datasets used by AI models [25]. Key features include integrating with Kled AI’s human data marketplace—which registers 1.1 billion user records [12] (or 1.5 billion according to one source)—and launching Trace, a platform that issues unalterable cryptographic receipts documenting the provenance and consent terms of data without exposing the underlying content [25]. [12][25]
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Sources

  1. 5Decrypt · 2026-06-25 — SBI Holdings Says $289 Million Bitbank Deal Will Make It Japan's Largest Crypto Exchange
  2. 12The Defiant · 2026-06-25 — Story Rebrands as DATA Foundation in Pivot to AI Training Data
  3. 25CoinDesk · 2026-06-25 — a16z-backed crypto firm rebrands, shifts focus to solving AI’s global copyright headache
  4. 35The Defiant · 2026-06-25 — Spark, Uniswap, and Sky Launch $150M Liquidity Migration to Build Shared Stablecoin FX Layer
  5. 48Bitcoin Magazine · 2026-06-25 — SBI Holdings Agrees to Acquire Japanese Crypto Exchange Bitbank in $288.6 Million Deal
  6. 51The Block · 2026-06-25 — Spark, Uniswap build stablecoin ‘FX Layer’ seeded with $150 million liquidity migration