NoobChain-Tutorial-Part-2

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Dear Kass I have read the Creating Your First Blockchain with Java Series on [medium.com](https://medium.com/programmers-blockchain), I really want to continue the part 3 but I can not find the article....

willijk

Typo on this method name. Can you re-factor "calulateHash()" to "calculateHash()"?

rickstabile

I see block 3 is missing the call to addBlock(). Was this intentional?

infodel

Hi Kass, in some cases you may have the exception NoSuchProviderException BC, you'd better surround your code with try/catch statement and handle this exception by adding this portion of the...

mhimehdi

1.delete some redundant validation check on blocks 2.add Exceptions to avoid keep adding next block if one transaction failed

richardissuperman