Blockchain Basics, Guides & Tutorials

What is Ink? Kraken’s Ethereum layer-2 blockchain

Key takeaways Ink is an Ethereum Layer 2 blockchain built by the crypto exchange Kraken on Optimism's OP Stack, and part of the Superchain network of interoperable chains. It is built specifically for DeFi, with roughly one-second blocks, sub-cent fees paid in ETH, and lending and trading apps live from day one. The INK token, capped at one billion units, is distributed to early users through an airdrop rather than sold first, reflecting a liquidity-first design. In this article An exchange steps onchain Ink at a glance How Ink came to be How does Ink work?

5 days ago DeFi & Staking

What Is Robinhood Chain? Ethereum L2 for Tokenized Stocks

6 days ago Crypto Companies

What is x402? The Payment Protocol Built for AI Agents

2 weeks ago Stablecoins

MiCA explained: what crypto companies must do now

For crypto businesses in Europe, MiCA has become more than just a legal framework — it is now a source of operational risk. Regulatory requirements...

6 March 2026 By Blockspot Publications

What Are Layer 2 Chains?

Layer 2 chains scale blockchains like Ethereum by processing transactions off-chain. Learn how rollups, sidechains, and state channels cut fees and speed things up.

6 March 2026 By Maxwell Mutuma

What Are OP-Based Chains?

OP-based chains are Layer-2 blockchains built with the OP Stack to scale Ethereum, powering the interoperable Optimism Superchain of fast, low-cost networks.

26 February 2026 By Maxwell Mutuma

What Are Optimistic Rollups?

Optimistic Rollups are Ethereum Layer-2 solutions that run transactions off-chain to cut fees and boost speed. Learn how they work and their limits.

17 February 2026 By Maxwell Mutuma

Public Masterpiece Announces PMT Chain, A Layer 1 Built for the Real-World Asset Economy

Karavas, Cyprus, 17th February 2026, Chainwire

17 February 2026 By ChainWire Press Releases

What Is BIP-444?

BIP-444 is a controversial proposal to limit non-financial data on Bitcoin, reigniting debate over neutrality, legal risk, and the network's governance.

13 February 2026 By Maxwell Mutuma

What is a Hash in Proof of Work (PoW)?

A hash is a cryptographic fingerprint that secures Proof of Work chains like Bitcoin, where miners search for a hash below the network target to...

12 February 2026 By Maxwell Mutuma

What is Base (Ethereum L2)?

Base is an Ethereum Layer 2 built by Coinbase on the OP Stack, using Optimistic Rollups for fast, low-cost transactions settled on Ethereum.

11 February 2026 By Maxwell Mutuma

What Is TradFi?

TradFi (Traditional Finance) is the centralized system of banks, brokers, and regulators that still runs most of the global economy. Here is how it works.

30 January 2026 By Maxwell Mutuma

What Is a Token?

A token is a digital unit representing value, access, or ownership. In crypto, tokens power apps, economies, and digital assets on top of a blockchain.

29 January 2026 By Maxwell Mutuma

In the Blockchain Explained category, we provide a wealth of educational resources covering a wide range of topics related to blockchain technology. Our writers offer clear, concise explanations of the workings of a blockchain, its potential applications, and the impact it could have on various industries.