Jupiter integrates Polymarket on Solana and secures $35M strategic investment (United States)
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Jump Trading to take equity stakes in Kalshi and Polymarket while supplying liquidity
Bloomberg reports Jump Trading is negotiating equity arrangements with Kalshi and Polymarket in return for supplying continuous two-sided liquidity. The potential deal comes as Kalshi pursues an aggressive regulatory and growth push — opening a Washington, D.C. outpost, hiring senior policy operatives and reporting blockbuster monthly volumes — which both increases the strategic value of an equity-for-liquidity tie-up and compounds legal and governance risks.

Polymarket buys Brahma to harden trading and settlement rails
Polymarket acquired Brahma to absorb its high-throughput execution and settlement stack, accelerating scalability for prediction-market trading and payments. The deal forces a 30-day migration for Brahma users, moves over $100M in TVL, and sharpens Polymarket’s fundraising and product playbooks.

Polymarket Mobilizes Palantir and TWG AI to Police Sports Prediction Markets
Polymarket has contracted Palantir and TWG AI to deploy exchange-style surveillance across sports prediction markets, producing regulator-ready audit trails to flag suspicious trading. The move arrives amid state injunctions, unsettled federal rulemaking and growing institutional involvement — dynamics that raise the commercial value of provable integrity even as attribution and concentration risks persist.
Opinion secures $20M to expand blockchain prediction markets amid industry growth
Opinion closed a $20 million pre-Series A round from several crypto-focused investors, signaling continued investor interest in blockchain-native prediction markets despite a weak overall crypto cycle. The company plans to use the capital to grow its regional footprint and scale product offerings ahead of major 2026 events and elections.
Polymarket Tightens Insider-Trading Rules for Prediction Markets
Polymarket broadened its market‑integrity toolkit—adding automated and manual enforcement, wallet suspensions, fines and referrals—to curb trades using nonpublic information and actors able to influence outcomes. The operator is also integrating third‑party surveillance (reported Palantir and TWG AI partners), delisted sensitive contracts after public pressure, and faces a fragmented regulatory backdrop that will shape where sensitive flow migrates.

Solana Company unveils Pacific Backbone to build APAC staking and validator infrastructure
Solana Company unveiled the Pacific Backbone, a low-latency APAC validator and staking infrastructure linking Seoul, Tokyo, Singapore and Hong Kong, backed by venture and treasury capital. The initiative aligns with a broader Solana push toward institutional rails (stablecoins, custody, tokenization) but faces engineering and regulatory constraints that will determine how quickly productized staking and liquidity services scale.
5c(c) Capital launches $35M fund to back prediction market startups
A new firm, 5c(c) Capital , closed roughly $35M to back prediction‑market infrastructure and protocol builders, with backing from leaders at Polymarket and Kalshi . The micro‑fund arrives amid other targeted raises (including a reported $20M protocol raise), surging monthly trading throughput at incumbents, active recruitment of policy teams, and an intensifying, fragmented regulatory fight that will determine whether liquidity consolidates onshore or migrates offshore.

Kalshi and Polymarket Face State Lawsuits Challenging Prediction Markets
State prosecutors have filed suits and obtained short-term court orders against U.S.-facing prediction platforms, while federal agencies and some senators send mixed signals about whether these products belong under securities/commodities law or state gambling statutes. The litigation has already produced temporary injunctions, aggressive defensive tactics by firms (geofencing, KYC, policy hires) and a credible near-term risk that trading shifts to offshore or crypto-native venues, degrading onshore price signals.