Arcium Project Update

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Biggest Stories of 2025

• The Rebirth of Privacy on Solana. Arcium featured an article framing its work as a revival of privacy on Solana, tying together its confidential computing, MPC, and encrypted DeFi efforts into a broader narrative for the ecosystem. (December 31, 2025) 9
• $5.5M strategic funding round (December reports). Arcium secured a $5.5 million strategic funding round earmarked for launching its parallelized confidential computing network, capital intended to accelerate development and rollout of the platform. (December 14, 2025) 10
• $5.5M strategic funding round announcement. The company confirmed the $5.5 million raise dedicated to its novel parallelized confidential computing network, aimed at enabling multiple parties to collaboratively process sensitive data without exposing the underlying information. (December 9, 2025) 11
• ELI5 explainer series. Arcium published an "ELI5" (explain-like-I'm-five) educational piece covering MPC concepts such as honest-majority versus dishonest-majority security models, its build-on-existing-blockchains approach, and the Confidential SPL Token. (December 9, 2025) 12
• Private Testnet Cohort 2 for Solana Builders. Arcium announced a second private testnet cohort aimed at Solana builders, expanding developer access to its confidential computing environment. (December 7, 2025) 13
• Confidential SPL Token development. Arcium introduced development of a Confidential SPL Token, extending Solana's token standard with privacy-preserving capabilities. (December 7, 2025) 14
• Private Testnet Launch Guide. Arcium published a guide for its private testnet, detailing encrypted and confidential computing features including MPC and confidential tokens. (December 6, 2025) 15
• Arcium Partners with Darklake to Advance Encrypted AI. The partnership with Darklake focused on advancing encrypted DeFi solutions and privacy within DeFi ecosystems, alongside Arcium's NVIDIA Inception acceptance and public testnet launch. (December 2, 2025) 5
• ELI5: arxOS. A technical overview of arxOS — the operating environment under which Arx nodes execute — covering the roadmap, testnet launches, partnerships, and the Inpher acquisition. (December 2, 2025) 16
• Arcium Private Testnet Launch. Arcium launched its public testnet, a significant step toward mainnet deployment, including community engagement plans, technical updates, and partnerships with Darklake and CrunchDAO. (December 1, 2025) 6
• Acquisition of Inpher's core tech and team. Arcium announced the acquisition of core technology and the team from Inpher to supercharge its confidential computing capabilities, accelerating development of privacy-preserving decentralized computing. (December 1, 2025) 2
• Request For Products: What To Build On Arcium. Arcium solicited product requests from its community to guide future development, emphasizing privacy-centric solutions on existing blockchains. (November 30, 2025) 1
• ELI5: arxOS (earlier edition). An earlier technical overview of arxOS covering Arcium's roadmap, partnerships, NVIDIA Inception acceptance, and the $5.5 million raise. (November 17, 2025) 17
• Not Another Chain: Why Arcium Builds on Existing Blockchains. Arcium articulated its strategy of enhancing privacy and scalability by building on existing blockchain infrastructure rather than creating a new chain, leveraging parallel processing and confidential computing. (November 4, 2025) 7
• Arcium Acquires Core Tech and Team from Inpher. An earlier report on the Inpher acquisition, framing it as part of Arcium's strategy to accelerate deployment of privacy-preserving technologies in enterprise and cloud applications. (November 4, 2025) 3
• The Arcium Public Testnet Launch Guide. A comprehensive guide to launching the public testnet, detailing MPC and confidential token features, partnerships, and the $5.5 million funding round. (November 3, 2025) 18
• Arcium's Architecture: Understanding the Encrypted Supercomputer. An architectural deep dive covering the parallelized confidential computing network, MPC, confidential hardware from Inpher, and encrypted DeFi and prediction market applications. (November 3, 2025) 19
• Request For Products: What To Build On Arcium (earlier edition). An earlier version of the product request initiative highlighting the public testnet launch, Darklake and CrunchDAO partnerships, and NVIDIA Inception acceptance. (November 3, 2025) 8
• $5.5M strategic funding round (May report). Arcium secured $5.5 million led by Jendrik Poloczek of Greenfield Capital, with support from investors including Anatoly Yakovenko and Keone Hon, to launch the first parallelized confidential computing network. The project evolved from the team behind the Solana-based ZK privacy protocol Elusiv, which was sunset in March 2024 to generalize its ZEUS encrypted computation technology. (May 12, 2025) 20
• A Deep Dive into Arcium: The Encrypted Supercomputer. A detailed analysis of Arcium's MPC-based encrypted supercomputer, the ARX token's role in staking-based security and computational payments, its deflationary mechanism, and its go-to-market strategy on Solana. The CoinList Community Round was open until April 1, 2025. (March 26, 2025) 4
• Arcium Community Round. Arcium's community funding round was live from March 24 to April 1, 2025, aimed at involving the community in supporting the project's development. (March 24, 2025) 21
• Encrypted, Not Extracted: Arcium's Community Plan for Public Testnet. Arcium outlined a community-focused plan emphasizing transparency and decentralization, with a public testnet expected to launch soon. (March 24, 2025) 22
• The Fortress and Four Fortress Quest. An early 2025 community initiative tied to Arcium's $5.5 million raise and its parallelized confidential computing network development. (January 6, 2025) 23
• Arcium Roadmap Update. An overview of Arcium's development efforts toward mainnet, including MPC integration, confidential tokens, encrypted DeFi, testnet launches, and the NVIDIA Inception acceptance. (January 1, 2025) 24
• $5.5M strategic funding round (January report). Arcium secured $5.5 million in strategic funding to develop the first parallelized confidential computing network, leveraging multiparty computation and confidential hardware, with partnerships including Darklake and CrunchDAO and core technology acquisitions from Inpher. (January 1, 2025) 25