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Isai Alexei

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Isai Alexei is a journalist and financial analyst covering cryptocurrency markets and traditional securities for Blockchaindose. He has spent ten years analyzing digital assets, trading activity, and market structure.

Articles for author: Isai Alexei

Crypto Wallet Development

Crypto Wallet Development: How to Build Secure Web3 Gateways

A Web3 wallet functions as an identity layer, a transaction signer, and the primary interface between users and blockchain-based applications. For development teams, the wallet architecture represents the most risk-sensitive component of the stack—a single vulnerability can result in direct financial loss with no recourse mechanism. This guide examines the technical architecture, security protocols, and ...

SIWE (ERC-4361) Guide The Standard for Passwordless Web3 Login

SIWE (ERC-4361) Guide: The Standard for Passwordless Web3 Login

The Sign-In with Ethereum standard replaces the password field with something you already own: a wallet signature. Where most dApp development guides treat wallet login as an implementation detail, SIWE is the actual specification behind that “Connect Wallet” button – and as of 2025, it is no longer a draft. Key Takeaways This guide covers ...

The NFT Market Is Crashing Platforms Left and Right, But July Volume Just Soared 47%

The NFT Market Is Crashing Platforms Left and Right, But July Volume Just Soared 47%

The week of July 6–8, 2026, has painted a bittersweet picture across the digital ecosystem. While the NFT market grapples with a high-profile class-action lawsuit against the BIG3 league, the shadow of definitive closures of giants like JPG Store (Cardano) and Foundation (Ethereum) is redrawing the industry’s map. This article breaks down the key events currently ...

Isai Alexei

NFT Software Development

NFT Software Development in 2026: Costs, Stack, and Honest Trade-Offs

NFT software development looks very different in 2026 than it did during the 2021 hype cycle. The speculative mania has faded, but the engineering discipline has matured: token standards are battle-tested, Layer 2 fees have collapsed to fractions of a cent, and the conversation among developers has shifted from getting rich to asking when the ...

BIG3-NFT-Lawsuit-Ice-Cubes-League-Faces-Class-Action

BIG3 NFT Lawsuit: Ice Cube’s League Faces Class Action

Ice Cube’s BIG3 basketball league faces a proposed class-action lawsuit from NFT buyers, filed by Lou and Sally Sheward in California Superior Court in the summer of 2025 and publicized this week by their attorney. The suit accuses the league of deceptive, fraudulent, and illegal marketing tied to the 2022 sale of Ethereum-based NFTs, sold ...

Isai Alexei

Melania Trump NFT Collections Generated $6M – Investors Claim Fraud

Melania Trump NFT Collections Generated $6M – Investors Claim Fraud

Melania Trump, First Lady of the United States, reported $6,011,259 in income from the sale of non-fungible tokens (NFTs) and other digital collectibles during 2025, according to the certified annual financial disclosure report filed by President Donald Trump with the U.S. Office of Government Ethics and released on June 30, 2026. figure represented a sharp increase ...

Isai Alexei

What Happened to Ubisoft Quartz Why Ubisoft Let It Die - 2026

What Happened to Ubisoft Quartz? Why Ubisoft Let It Die 2026

On December 7, 2021, Ubisoft presented Ubisoft Quartz, a platform for players to acquire and trade non-fungible tokens (NFTs) integrated into the company’s video games. The platform launched in beta for the game Tom Clancy’s Ghost Recon Breakpoint on PC via Ubisoft Connect. The digital assets, named “Digits,” included cosmetic items such as masks, vehicle skins, and ...