Kristaps Grinbergs

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

Latvia Joined on Dec 8, 2017 fassko@gmail.com https://kristaps.me/

Education

CS Master

Dodies.lv

Dodies.lv iOS application for hiking paths in Baltics

Swift • 6 stars

MeteoLV

Meteo Latvia iOS application

Swift • 1 star

TartuWeather

Tartu, Estonia current weather app for iOS and watchOS

Swift • 1 star

Swift, iOS development

Solidity

Web3.0 and Ethereum

Apple technologies, Solidity, Web 3.0

48 posts published

3 comments written

2 tags followed

Kristaps Grinbergs

Mar 28

Understanding Escrow in ERC-721 NFT Smart Contracts

#ethereum #solidity #nft

2 min read

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Kristaps Grinbergs

Feb 28

Exploring Nested Mappings in Solidity

#ethereum #solidity

3 min read

Kristaps Grinbergs

Jan 6

Understanding tx.origin and msg.sender in Solidity

#ethereum #solidity

3 min read

Kristaps Grinbergs

Nov 1 '23

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

#ethereum #solidity

3 min read

Kristaps Grinbergs

Sep 26 '23

Mastering Data Organization in Ethereum Smart Contracts

#solidity #web3 #struct #ethereum

3 min read

Kristaps Grinbergs

Aug 11 '23

Beyond Default Messages: Mastering Custom Errors in Solidity

#solidity #web3 #errors

2 min read

Kristaps Grinbergs

Jul 26 '23

Leveraging the Set Structure in Solidity

#solidity #web3 #set #nft

4 min read

Kristaps Grinbergs

Jun 30 '23

Creating Interactive Maps with Custom Markers Using SwiftUI in iOS 17

#swift #swiftui #mapkit

3 min read

Kristaps Grinbergs

May 16 '23

Exploring the Features and Benefits of Azuki's ERC-721A NFT Standard

3 min read

Kristaps Grinbergs

May 11 '23

Programmatically Verifying Solidity Smart Contract Code with Hardhat

#solidity #web3 #hardhat

2 min read

Kristaps Grinbergs

Apr 25 '23

How Hardhat Simplifies Smart Contract Verification on Ethereum

#solidity #web3 #hardhat

2 min read

Kristaps Grinbergs

Mar 30 '23

Implementing the ERC-2981 NFT royalty standard with Solidity - a game-changer for creators to receive income from every sale

#solidity #web3

3 min read

Kristaps Grinbergs

Feb 27 '23

Understanding the Signing Process of Solidity Transactions with Ethers.js

#solidity #web3 #ethersjs

4 min read

Kristaps Grinbergs

Jan 29 '23

What are meta transactions, the EIP-712 standard, and how to sign a message with Metamask?

#solidity #web3 #metamask

4 min read

Kristaps Grinbergs

Dec 30 '22

What are an NFT and the ERC-721 standard?

#solidity #web3 #erc721

4 min read

Kristaps Grinbergs

Nov 23 '22

How do Bytes live in Solidity and coexist with Strings?

#solidity #web3 #bytes #strings

3 min read

Kristaps Grinbergs

Sep 12 '22

Exploring ERC20 fungible token standard in Solidity

#solidity #web3 #erc20

4 min read

Kristaps Grinbergs

Aug 31 '22

Absence of null in Solidity

#solidity #web3 #null

3 min read

Kristaps Grinbergs

Jul 29 '22

Mistery revealed about delegatecall in Solidity

#olidity #web3 #proxy #delegatecall

2 min read

Kristaps Grinbergs

Jun 28 '22

Storage and memory secrets in Solidity

#solidity #web3 #memory #storage

3 min read

Kristaps Grinbergs

May 19 '22

How events in Solidity work, and why are they needed

#swift #solidity #web3 #events

2 min read

Kristaps Grinbergs

Apr 8 '22

The Story behind Mapping in Solidity

#swift #solidity #web3 #mapping

2 min read

Kristaps Grinbergs

Mar 2 '22

Mastering Arrays in Solidity

#swift #solidity #web3 #array

2 min read

Kristaps Grinbergs

Jan 30 '22

Accessibility and visibility in Solidity

#solidity #blockchain #ethereum #web3

3 min read

Kristaps Grinbergs

Dec 16 '21

Solidity for Swift developers: File Structure and Functions

#swift #solidity

3 min read

Kristaps Grinbergs

Nov 22 '21

Improve iPad sidebar navigation on the iPhone with SwiftUI

#swift #ios #swiftui #sidebar

3 min read

Kristaps Grinbergs

Oct 21 '21

How Sidebar works on iPad with SwiftUI

#swift #ios #swiftui #ipad

3 min read

Kristaps Grinbergs

Sep 24 '21

Three brilliant ways to style button with SwiftUI

#swift #ios #swiftui #button

3 min read

Kristaps Grinbergs

Aug 31 '21

Exploring SwiftUI map custom annotations

#swift #ios #swiftui #map

4 min read

Kristaps Grinbergs

Jul 12 '21

How to translate SwiftUI applications

#swift #ios #swiftui #localization

3 min read

Kristaps Grinbergs

Jul 1 '21

How to master grid layout in iOS with SwiftUI

#swift #ios #swiftui #gridview

4 min read

Kristaps Grinbergs

Jun 10 '21

Cracking the Navigation Bar Secrets with SwiftUI

#swift #ios #swiftui #navigationview

4 min read

Kristaps Grinbergs

May 3 '21

The hidden secrets of TabView in iOS with SwiftUI

#swift #ios #swiftui #tabview

4 min read

Kristaps Grinbergs

Mar 23 '21

How to show and hide content with DisclosureGroup using SwiftUI

#swift #ios #swiftui #disclosuregroup

3 min read

Kristaps Grinbergs

Mar 1 '21

How to use Alert with SwiftUI

#swift #apple #ios #swiftui

5 min read

Kristaps Grinbergs

Jan 11 '21

How to select images using PHPickerViewController with SwiftUI

#swift #ios #swiftui #images

4 min read

Kristaps Grinbergs

Dec 29 '20

Background Color with SwiftUI

#swift #apple #ios #swiftui

4 min read

Kristaps Grinbergs

Dec 2 '20

How to deal with modal views (a.k.a. sheets) with SwiftUI

#swift #apple #ios #swiftui

5 min read

Kristaps Grinbergs

Nov 5 '20

Launch Screen with SwiftUI

#swift #apple #ios #swiftui

3 min read

Kristaps Grinbergs

Aug 1 '20

Mapview with SwiftUI

#swiftui #swift #apple #ios

3 min read

Kristaps Grinbergs

May 25 '20

Embracing the Dynamic Type

#dynamictype #a11y #apple #ios

4 min read

Kristaps Grinbergs

Apr 27 '20

Different flavors of WebSockets on Vapor with Swift

#nstimer #cadisplaylink #apple #ios

4 min read

Kristaps Grinbergs

Mar 28 '20

NSTimer vs CADisplayLink

#nstimer #cadisplaylink #apple #ios

3 min read

Kristaps Grinbergs

Feb 26 '20

Clearing up after subscribing to Swift WebSockets

#websockets #apple #ios #apollo

3 min read

Kristaps Grinbergs

Jan 20 '20

How to use subscriptions with GraphQL using Apollo iOS SDK and Swift

#graphql #apple #ios #apollo

3 min read

Kristaps Grinbergs

Jan 20 '20

Ignorance of the URLRequest cache

#cache #swift #ios

4 min read

Kristaps Grinbergs

Jan 3 '20

GraphQL Advances when fetching data in iOS with Swift and Apollo SDK

#graphql #apple #ios #apollo

3 min read

Kristaps Grinbergs

Nov 12 '19

WebSockets in iOS Using Swift

#ios #swift #websockets

3 min read

Writing Debut

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Hacktoberfest 2021

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Hacktoberfest 2020

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Hacktoberfest 2019

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