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Avail, a blockchain that aims to help other blockchains<\/a> scale, today announced a $43 million Series A round led by Founders Fund, Dragonfly, and Cyber Fund. Adding to its pre-seed and seed<\/a> raises, its funding now totals $75 million.<\/p>\n Avail\u2019s customers are\u00a0layer-2s<\/a>, meaning blockchains like Base<\/a>, Polygon<\/a>, Arbritrum, or Opitmism that assemble batches of transactions and write them to a primary, or layer-1, chain. Avail provides services specifically for rollups, which are a type of layer-2 designed to scale networks. By processing transactions away from the main blockchain, rollups ensure that costs are reduced and a chain avoids congestion-induced delays.<\/p>\n Cofounder Anurag Arjun told Fortune<\/em> that Web3\u2019s success will rely upon each of the tens of thousands of blockchains interacting with one another seamlessly\u2014or risk a fragmented user experience.\u00a0Both Arjun and cofounder Prabal Banerjee are blockchain veterans, having met while working at Polygon<\/a>, a popular layer-2 that\u2019s now compatible with Avail.<\/p>\n \u201cThere are hundreds of rollups, and it\u2019s a very fragmented ecosystem. So, we\u2019re building a way to unify [them] together, so that users don\u2019t need to deal with the complexity of the infrastructure,\u201d said Arjun.<\/p>\n There are essentially two components to what Ethereum offers to a layer-2: data availability and settlements. Rollups atop Avail will keep settlements on Ethereum, but Avail hopes to replace the data availability side of things.<\/p>\n The company\u00a0plans to use the $75 million it\u2019s raised to develop three core products: the foundational Data Availability (DA) layer, the Nexus unification layer, and an additive security layer called Fusion. Together, they form a unifying infrastructure layer that, in theory, will be compatible with a wide variety of chains. However, the company plans to begin with rollups in the Ethereum<\/a> ecosystem.<\/p>\n \u201cTheir DA solution, paired with their Nexus interoperability layer and Fusion security layer, makes it super seamless and easy for teams to create a new protocol (across all categories of crypto) leveraging Avail\u2019s tech stack,\u201d Joey Krug, a partner at Founders Fund, said in a statement.<\/p>\n<\/div>\n\nSubscribe to Fortune Crypto to get daily updates on the coins, companies, and people shaping the world of crypto. Sign up<\/a> for the newsletter for free.<\/div>\n<\/div>\n