var input={

  value:{'btc-usd' : 2640, 'ltc-usd': 40},

  amount:{'btc-usd': 2.533, 'ltc-usd': 10.42},

  name:{"btc-usd":"Bitcoin","ltc-usd":"Litecoin"}

};

​

var hash={};

for(key in input){

   var values=input[key];

   for(id in values){

      if(!hash[id]) hash[id]={};

      hash[id][key]=values[id];

    }

}

​

var output=[];

for(id in hash){

  hash[id].id=id;

  output.push(hash[id]);

}

​

console.log("input",input,"hash",hash,"output",output);