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Firo

Firo is a privacy-preserving cryptocurrency and blockchain ecosystem. It develops proprietary privacy research such as Lelantus Spark and Dandelion++ to provide trustless, on-chain transaction privacy, and offers wallets, mining, and masternode infrastructure for users, miners, and node operators.
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Description

Firo is a privacy-focused cryptocurrency project that combines original cryptographic research with a hybrid Proof-of-Work and LLMQ Chainlocks blockchain to deliver secure, near-instant, private payments. Its core privacy technology, Lelantus Spark, provides trustless on-chain privacy with large anonymity sets, while Dandelion++ adds network-layer privacy. Firo also offers Spark Assets, which extend privacy protections to tokenized assets, enabling private tokens for use cases such as anonymous voting. The project maintains a large masternode network (3,900+) securing the chain and is one of few blockchain projects contributing independent research (Zerocoin, Sigma, Lelantus, Lelantus Spark, MTP) that has influenced privacy technology across the broader crypto industry. Firo serves individual cryptocurrency users, miners, and masternode operators through wallets for major desktop and mobile platforms, exchange listings, mining guides, and a community funding system (Firo Crowdfunding System / Open Collective) that supports ongoing development.