input: 
  from typing import List
  
  def create_blockchain(blockchain_transactions: List[dict]) -> List['Block']:
      """Creates and returns a blockchain containing a series of blocks, each encapsulating a transaction.
      The first block is a 'genesis block', and subsequent blocks are created based on the transactions provided.
      
      Example:
      >>> blockchain_transactions = [{'transaction_id': '001', 'amount': 100}, {'transaction_id': '002', 'amount': 200}]
      >>> create_blockchain(blockchain_transactions)
      [<Block(index=0, timestamp=...), <Block(index=1, timestamp=...), <Block(index=2, timestamp=...)] (Actual blocks are shown with placeholder data)
      """
      blockchain = [create_genesis_block()]
      previous_block = blockchain[0]
      for i in range(1, len(blockchain_transactions)):
          block_to_add = next_block(previous_block, blockchain_transactions[i])
          blockchain.append(block_to_add)
          previous_block = block_to_add
      return blockchain
  
output:     blockchain = [create_genesis_block()]
      previous_block = blockchain[0]
      for i in range(1, len(blockchain_transactions)):
          block_to_add = next_block(previous_block, blockchain_transactions[i])
          blockchain.append(block_to_add)
          previous_block = block_to_add
      return blockchain