{chain.map((b, i) => (
  
    

      
Block #{b.index}
      
Timestamp: {new Date(b.timestamp).toLocaleString()}
      
Miner: {b.miner}
      
Nonce: {b.nonce}
      
Hash: {short(b.hash, 20)}
      
Prev: {short(b.prevHash, 20)}
      
Tx count: {b.transactions.length}
    
    {i < chain.length - 1 && 
→
}
  
))}