The blockchain trilemma refers to the trade-off between three fundamental aspects of blockchain technology: scalability, security, and decentralization. In simple terms, it is difficult to achieve high levels of all three at the same time, and blockchain developers need to make trade-offs between them when designing a blockchain system.

Here are three of the most famous cryptocurrencies that are closer to solving the blockchain trilemma:

1. Ethereum: Ethereum is a decentralized blockchain platform that enables the development of smart contracts and decentralized applications (dApps). Ethereum is known for its ability to process a high number of transactions per second, which has made it a popular choice for many dApps. Ethereum is also working on solutions to improve scalability, such as sharding and layer-two solutions like Plasma and Optimism.

2. Cardano: Cardano is a blockchain platform that aims to offer a more secure and scalable alternative to Ethereum. It uses a proof-of-stake consensus mechanism that consumes less energy than proof-of-work and is working on a novel scaling solution called Hydra. Cardano is also designed to be highly decentralized, with a large number of nodes and a transparent governance system.

3. Solana: Solana is a fast and scalable blockchain platform that uses a unique consensus mechanism called Proof of History (PoH) in addition to Proof of Stake (PoS). Solana claims to have achieved a high level of scalability, with the ability to process up to 65,000 transactions per second, making it one of the fastest blockchain platforms in the world.

It's important to note that the blockchain trilemma is an ongoing challenge in the world of blockchain technology, and no single blockchain platform has completely solved it.