Kristaps Grinbergs – Medium

Kristaps Grinbergs

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Better Programming

Creating Interactive Maps with Custom Markers Using SwiftUI in iOS 17

With the release of iOS 17, Apple introduces an exciting enhancement to SwiftUI that revolutionizes how we add markers on maps.

4 min readJun 30, 2023

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Creating Interactive Maps with Custom Markers Using SwiftUI in iOS 17

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Kristaps Grinbergs

What are an NFT and the ERC-721 standard?

The non-fungible tokens, or in short NFTs, have one the most influential roles in the crypto and Web3 scene. These are digital assets that…

5 min readDec 30, 2022

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What are an NFT and the ERC-721 standard?

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Kristaps Grinbergs
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Better Programming

Absence of Null in Solidity

Solidity programming language doesn’t have the nullability feature

3 min readAug 31, 2022

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Absence of Null in Solidity

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Kristaps Grinbergs
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Better Programming

Exploring ERC20 Fungible Token Standard in Solidity

Meet the gold standard for tokens on EVM chains

5 min readSep 12, 2022

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Exploring ERC20 Fungible Token Standard in Solidity

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Kristaps Grinbergs

Dark Side of the App Store

5 min readSep 25, 2019

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Dark Side of the App Store

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Kristaps Grinbergs

Understanding Escrow in ERC-721 NFT Smart Contracts

The ERC-721 standard helps make buying and selling unique digital items (NFTs) safe and reliable. It is crucial to secure transactions…

3 min readMar 28, 2024

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Understanding Escrow in ERC-721 NFT Smart Contracts

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Kristaps Grinbergs

Exploring Nested Mappings in Solidity

Nested mappings in Solidity offer developers powerful tools to efficiently organize and manipulate complex data structures. This blog post…

3 min readFeb 28, 2024

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Exploring Nested Mappings in Solidity

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Kristaps Grinbergs
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Block Magnates

Understanding tx.origin and msg.sender in Solidity

Developers need to understand the difference between tx.origin and msg.sender in Solidity. These two global variables often need…

3 min readJan 6, 2024

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Understanding tx.origin and msg.sender in Solidity

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Kristaps Grinbergs

Understanding ERC-4337 and the Future of Ethereum User Experience: Account Abstraction

In Ethereum Improvement Proposal 4337 (ERC-4337), account abstraction simplifies user interaction and the blockchain. It eliminates the…

3 min readNov 1, 2023

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Understanding ERC-4337 and the Future of Ethereum User Experience: Account Abstraction

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Kristaps Grinbergs
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Block Magnates

Structs in Solidity: Mastering Data Organization in Ethereum Smart Contracts

The Solidity programming language for Ethereum smart contracts, offers a robust feature known as structs that is indispensable in…

3 min readSep 26, 2023

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Structs in Solidity: Mastering Data Organization in Ethereum Smart Contracts

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Kristaps Grinbergs

Kristaps Grinbergs

Blockchain, mobile and fullstack developer. Startup founder. Conference speaker. Mentor. Passionate about building products, sustainability and Web 3.0.

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