Major developments, governance votes, and ecosystem milestones. Most recent first.
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OneSwap embeds native swap functionality in 5N Loop Wallet at cantonloop.com/swap—the first live OneSwap SDK deployment inside a Canton wallet. Loop users can swap without leaving the passkey-based browser wallet; Edel Finance integrated the SDK earlier in June. Developer docs: docs.oneswap.cc.
Official Canton Network blog (June 16, 2026): Canton published a full wallet integration stack—@canton-network/wallet-sdk for institutions and exchanges; @canton-network/dapp-sdk with CIP-0103 discovery for frontend “Connect Wallet”; and Wallet Gateway to bridge validators with institutional custody/signing providers (bring-your-own-validator model). Docs linked from the post.
PRNewswire (June 16, 2026): Canton Strategic Holdings (NASDAQ: CNTN) board authorized repurchases of up to $50 million in common stock via open market or other Rule 10b-18–compliant methods; timing and amounts at management discretion. SEC Form 8-K notes board approval June 11 and a Virtu Americas 10b-18 plan dated June 12. Forward-looking statements apply per release.
SV Operations schedule (update June 12, 2026): Phase 3 of the Canton 3.4→3.5 transition enters TestNet Logical Synchronizer Upgrade prep—topology freeze at 13:00 UTC today, with the Protocol 35 LSU scheduled June 17 at 13:00 UTC. DevNet LSU is complete; MainNet topology freeze is June 26 with upgrade June 27. Validators need Splice ≥0.6.5; Splice 0.6.7 required by June 30 for traffic-based app rewards. Calendar: sv-cal.canton.foundation.
Canton Foundation CIP repository (approved 2026-06-15): CIP-0119 adds transferPreapprovalBaseDuration (default 90 days) to AmuletConfig—creating or renewing preapprovals within that window is free beyond standard traffic (including free base traffic), addressing exchange onboarding after CIP-0096 removed validator liveness rewards. Longer durations can still burn CC fees.
Canton Network Forum (May 13 announcement; kickoff June 15, 2026): Encode Club’s fully virtual Build on Canton Hackathon opens to builders worldwide across three tracks—Private DeFi & Capital Markets; TradeFi, RWA & Tokenized Assets; and Payments, Neo-banking & Agentic Commerce. Program page at encodeclub.com/programmes/canton-hackathon.
SBI Holdings investor notice (June 12, 2026): SBI invested further in Digital Asset’s $355M round via a subsidiary, deepening its role as a Canton founding partner and Super Validator. The release cites DTCC’s U.S. Treasury tokenization on Canton (December 2025), a Japanese government-bond digital-collateral PoC starting April 2026, 700+ network participants, and >$6T in on-chain managed assets—with broader DTCC rollout expected in H2 2026.
Super Validator operations schedule update (June 12, 2026): Global Synchronizer networks enter Phase 3 Logical Synchronizer Upgrades to Canton Protocol Version 35. TestNet topology freeze June 16 / upgrade June 17; MainNet freeze June 26 / upgrade June 27 (13:00 UTC). Validators require Splice ≥0.6.5; Splice 0.6.7 is required by June 30 ahead of traffic-based app rewards. Party onboarding and package vetting pause ~24h before each LSU. See SV long-term ops schedule for authoritative timing.
Official Canton Network blog recap of Quadrillions Episode 3—Eli Ben-Sasson (StarkWare) and Shaul Kfir on why wholesale capital hits adoption limits on fully transparent chains, ZK rollups vs integrity vs privacy, and Canton’s asymmetric-visibility data-distribution model for institutional RWAs. Blockworks × Canton miniseries; full episode at quadrillionspod.com. Blog dated June 11, 2026.
PRNewswire (June 11, 2026): Digital Asset (DA), creator of Canton, closed a $355 million funding round led by a16z crypto—with participants including Citadel Securities, HSBC, BNP Paribas, Broadridge, Apollo Funds, CME Ventures, Coinbase Ventures, Hanwha Investment & Securities, Tradeweb, S&P Global, Polychain, and others. DA plans to expand Canton ecosystem offerings, deepen developer and institutional engagement, and support tokenization, collateral mobility, settlement, and regulated workflows. CEO Yuval Rooz and a16z crypto GP Ali Yahya are quoted; FT Partners advised on the transaction.
