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[Solidity] How to use import?

This section describes the use of import, which are often found in Solidity code. import means "importing external f...
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[Solidity] What is msg.sender?

This section describes msg.sender, which is often found in Solidity code. msg.sender means "caller address" You c...
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[Solidity] How to write a function?

This section describes how to write a function in Solidity. Syntax The syntax of the function is as follows. T...
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[Solidity] How to use the access modifiers (public/private/internal/external)?

This section describes Solidity's access modifiers. There are four types of access modifiers: public/private/interna...
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[Solidity] What is a state variable?

This section describes state variables in Solidity. What is a state variable anyway? A state variable in Solidity...
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[Solidity] About the contract clause

This section describes the contract clause, which is a fundamental part of Solidity. What is contract anyway? As ...
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[Solidity] How to use the modifier modifiers?

This section describes modifier modifiers commonly used in Solidity. What is the modifier modifiers anyway? A mod...
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[Solidity] How to write pragma (version specification)?

This section explains how to write pragma (version specification) to be written at the beginning of the code. What i...
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[Solidity] What is the keccak256 function?

The keccak256 function is, in a word, a "hash function". However, I don't think it is easy to understand if you are ...
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[Solidity] How to write the logical negation operator (not)

This section explains how to write the logical negation operators (not) in Solidity. Syntax The way to write the ...
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