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Saturday, September 12, 2026 · Global Edition
L4 News
BLOCKCHAIN · WEB3 · ASSETS
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L4 News

Blockchain

How distributed ledgers reach agreement, what a block contains, when a transaction becomes final, and which guarantees a chain does not provide.

Two network diagrams contrasting open membership with gated approved nodes
Blockchain

Public vs private blockchains, explained

A public blockchain lets anyone read, use and verify the record; a private one restricts membership — the public vs private blockchain choice is about access…

Workers building an elevated walkway above an older cobblestone street
Blockchain

Layer 1 vs Layer 2, explained

Layer 1 is the base chain where everything settles; Layer 2 is built on top of it — the Layer 1 vs Layer 2 distinction, in plain words.

Shelf of small computers with glowing status lights in a home study
Blockchain

What is a blockchain node?

A blockchain node is any computer holding and checking a copy of the shared record — here is who runs them and why the crowd matters.

Brass pipe fitting splitting one channel into two separate branches
Blockchain

Hard forks vs soft forks, explained

The hard fork vs soft fork difference is compatibility — one tightens rules that old software still accepts, the other splits a chain in two.