Create a vibrant, cartoon-style illustration of a blockchain network. The image should include friendly, animated block characters with expressive faces and arms linking together to form a chain. Each block should have a unique design, representing various digital assets like cryptocurrency coins, NFTs, and smart contracts. The background should be colorful and dynamic, symbolizing the digital world with elements like binary codes, futuristic buildings, and glowing pathways. Make the overall feel energetic and innovative, capturing the essence of blockchain technology in a playful and engaging way