要解决比特币算法没有正确遍历历史数据的问题，可以使用以下代码示例来实现正确的历史数据遍历：

import hashlib

class Block:
    def __init__(self, index, previous_hash, timestamp, data, hash):
        self.index = index
        self.previous_hash = previous_hash
        self.timestamp = timestamp
        self.data = data
        self.hash = hash

def calculate_hash(index, previous_hash, timestamp, data):
    value = str(index) + str(previous_hash) + str(timestamp) + str(data)
    return hashlib.sha256(value.encode()).hexdigest()

def create_genesis_block():
    return Block(0, "0", "01-01-2022", "Genesis Block", calculate_hash(0, "0", "01-01-2022", "Genesis Block"))

def create_new_block(previous_block, data):
    index = previous_block.index + 1
    timestamp = "02-01-2022" # 当前时间戳
    hash = calculate_hash(index, previous_block.hash, timestamp, data)
    return Block(index, previous_block.hash, timestamp, data, hash)

# 创建创世块
genesis_block = create_genesis_block()
blockchain = [genesis_block]

# 添加新块
new_block_data = "Some data"
new_block = create_new_block(blockchain[-1], new_block_data)
blockchain.append(new_block)

# 遍历历史数据
for block in blockchain:
    print(f"Index: {block.index}")
    print(f"Previous Hash: {block.previous_hash}")
    print(f"Timestamp: {block.timestamp}")
    print(f"Data: {block.data}")
    print(f"Hash: {block.hash}")
    print("---------------")

这段代码中，我们定义了一个Block类以及一些辅助函数。create_genesis_block函数用于创建创世块，create_new_block函数用于创建新块。我们通过调用这些函数来创建创世块和新块，并将它们添加到blockchain列表中。最后，我们使用一个for循环遍历blockchain列表，打印出每个块的信息。

这样，我们就能正确地遍历比特币算法的历史数据了。