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Cryptocurrency 區塊鏈是什麼?

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發表於 2018-2-5 15:22:10 | 顯示全部樓層 |閱讀模式

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Cryptocurrency 區塊鏈是什麼? 請指教?
發表於 2018-3-25 21:33:02 | 顯示全部樓層
the data stored inside a block depends on the type of the blockchain; e.g. crytocurrency - stores the details about the transaction, i.e. sender / receiver / amount of coins.

blockchain is a technology to store information inside a block, in a very secure way.  It is a distributed ledger that is completely open to anyone inside the network, so it becomes very difficult to tamper it.

block contains 3 elements: the data, the hash and the hash of the previous block
- data: information depends on the type of the blockchain
- hash: a passcode created by complicated mathematical algorithm; it's a like a fingerprint that identifies a block and all of its contents
- hash of previous block:  that's the technique makes it a blockchain very secure

once a block is created, it's hash is being calculated; changing the data inside the block will cause the hash to change
if the hash changes, it no longer is the same block

hope the above helps and there are many reference on the net that you may google further...
 樓主| 發表於 2018-5-7 01:04:39 | 顯示全部樓層
Thank you litterabbit!
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