🔥 Which blockchains are popular in 2025?
•Bitcoin — the most secure, used as digital gold
•Ethereum — for smart contracts and dApps
•Solana — fast and cheap
•Avalanche, Aptos, Sui — promising Layer 1
•Arbitrum, Optimism — Layer 2 based on Ethereum
📉 Possible issues
•High fees (in ETH at peak times)
•Scalability challenges
•Complex interfaces for beginners
But by 2025 we already see solutions to these problems in the form of Layer-2 solutions, Rollups, zk-technologies, and this makes blockchain more accessible.
