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What is Coinbase Transaction

What is a Coinbase Transaction?

What is a Coinbase Transaction? Coinbase transaction is the first Transaction in every Block and it can only be created by the miner. Miner creates a Coinbase transaction to collect their block reward when they successfully mine a block and…

What is Bitcoin Transaction Life Cycle?

Bitcoin Transaction Life Cycle

What is Bitcoin Transaction Life Cycle? Let’s understand this with an example, suppose Jane wants to send 10 Bitcoins to Alice? Jane will use a wallet service provided by Codies Alert that can create Jane’s Transaction and Broadcast it to…

What is double-spending

What is double-spending?

What is double-spending and How does Bitcoin solve it? In simple terms, the double-spending problem is when someone is able to spend the same coin multiple times.  Let’s understand this with an example, suppose you have 1 Bitcoin in your…

What is a Hash? Codies Alert

What is a Hash?

What is a Hash? A Hash function takes an input of any length and converts it into an output of a fixed length of 32 bytes. For e.g. if you will pass ‘Codies Alert’ to SHA256 Hash Function, it will give us the 32 bytes long Hash. 
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