Security & software articles

Scams, key controls, proof checks, software fixes and operational risks.

Topics group the whole archive; an article can cover more than one. For a suggested reading order, explore the learning paths.

31 matching articles · Security & software. Clear topic

Verify a Litecoin inclusion proof: Merkle roots, headers and limits
Guide

Verify a Litecoin inclusion proof: Merkle roots, headers and limits

Reconstruct a synthetic Merkle branch, distinguish Core proof verification from standalone hashing, and check chain membership and recipient evidence separately.

Data / code included
Published Oct 22, 2026 Content checked 6 min read
Secure local Litecoin Core RPC access: cookies, ports and permissions
Guide

Secure local Litecoin Core RPC access: cookies, ports and permissions

A practical guide to local RPC boundaries, authentication cookies, actual listening endpoints and narrowly scoped application access, with read-only inspection examples.

Published Oct 22, 2026 Content checked 7 min read
Review a Litecoin PSBT before signing: inputs, change and fees
Guide

Review a Litecoin PSBT before signing: inputs, change and fees

Inspect a transparent PSBT v0 without treating decoding as approval. Reproduce a synthetic fee example and review recipient, change, inputs and signature commitments.

Data / code included
Published Oct 22, 2026 Content checked 6 min read
A Litecoin wallet can sign a payment without sending it
Guide

A Litecoin wallet can sign a payment without sending it

Our signed Litecoin payment stayed outside the mempool until explicit submission. Output changes broke its signature; a second complete signed file became unusable after its input was spent.

Data / code included
Published Oct 20, 2026 Content checked 10 min read
A valid Litecoin message signature does not prove a balance
Guide

A valid Litecoin message signature does not prove a balance

A zero-funded address signed successfully, and the same expired response still verified. See what the legacy Core test establishes and which context, expiry and replay rules an application must enforce.

Data / code included
Published Oct 15, 2026 Content checked 9 min read
Need help with a Litecoin payment? Build a clear support request
Guide

Need help with a Litecoin payment? Build a clear support request

The right question depends on whether a payment was broadcast, confirmed or credited. Eight fictional cases and six templates help organize a focused support request.

Data / code included
Published Oct 11, 2026 Content checked 8 min read
The old Litecoin backup still spent after a password change
Guide

The old Litecoin backup still spent after a password change

An earlier encrypted copy unlocked with its known old password and spent the test output. Twelve Core cases separate local file encryption from on-chain control.

Data / code included
Published Oct 6, 2026 Content checked 8 min read
A valid Litecoin address can still be the wrong destination
Guide

A valid Litecoin address can still be the wrong destination

An accepted address is not proof of the intended recipient or exchange credit. Our synthetic parser test explains shared historical formats, checksum limits and why recovery depends on the actual route.

Data / code included
Published Oct 3, 2026 Content checked 9 min read
Can a hardware wallet protect your Litecoin from every scam?
Guide

Can a hardware wallet protect your Litecoin from every scam?

Seven scenarios show where hardware signing helps and where it does not: a copied recovery backup, a substituted address or a payment you approve to a scammer. Learn what to check on the device, how to verify the full destination and how native Litecoin payments differ from token approvals on other networks.

Published Oct 1, 2026 Content checked 8 min read
What a Litecoin payment QR code actually tells your wallet
Guide

What a Litecoin payment QR code actually tells your wallet

Twenty URI cases across two parsers, SVG scan examples and a practical checklist for Litecoin amounts, labels, address checks and invoice expiry.

Data / code included
Published Sep 29, 2026 Content checked 8 min read
A wallet recovery notebook separates three checks: addresses, funds and signing; a file and recovery words represent different backup formats.
Guide

Can you recover your Litecoin wallet? Tested backups, seeds and account keys

We restored an encrypted Core wallet, Electrum seeds and BIP39-derived account keys. The tests separate matching addresses, finding funds and recovering signing authority.

Data / code included
Published Sep 27, 2026 Content checked 8 min read
The 2-of-3 policy accepts signatures from A plus B, A plus C, or B plus C. A single key is insufficient. This is a policy diagram, not a claim about hardware custody.
Guide

Litecoin multisig: how a 2-of-3 wallet works

Eight regtest cases show which key combinations can spend. Includes a recovery checklist, backup requirements and a reproducible Core experiment.

Data / code included
Published Sep 19, 2026 8 min read
How to verify a Litecoin Core download before installing it
Guide

How to verify a Litecoin Core download before installing it

Check the signing key, manifest and installer hash. Includes four verified Core packages, tamper tests and commands for Windows, macOS and Linux.

Data / code included
Published Sep 18, 2026 8 min read
Unexpected Litecoin in your wallet? What to check before you send
Guide

Unexpected Litecoin in your wallet? What to check before you send

A small incoming payment, a lookalike in history and a changed clipboard need different checks. Inspect the exact output and authenticate the next destination.

Data / code included
Published Aug 3, 2026 Content checked 10 min read
Before you fund a Litecoin cold wallet, check recovery
Guide

Before you fund a Litecoin cold wallet, check recovery

A hardware wallet is only one part of cold storage. Verify the account, protect the backup and check recovery before moving the main balance.

Published Jun 28, 2026 Content checked 11 min read
Recovering a Litecoin wallet: identify the backup before restoring
Guide

Recovering a Litecoin wallet: identify the backup before restoring

Identify the backup format, preserve original files and diagnose a zero balance. Includes a reproducible encrypted Core wallet recovery experiment.

Data / code included
Published Jun 28, 2026 Content checked · Review due 4 min read
Litecoin has no staking: what LTC yield products actually offer
Guide

Litecoin has no staking: what LTC yield products actually offer

There is no protocol reward for simply holding LTC. Follow where a product's income comes from, who controls the coins and how to calculate returns after costs.

Data / code included
Published Jun 8, 2026 Content checked 8 min read
How to verify a Litecoin transaction is legitimate: a merchant checklist
Guide

How to verify a Litecoin transaction is legitimate: a merchant checklist

Verify the correct destination, received amount, chain state and confirmations before releasing goods. Screenshots and transaction IDs alone are insufficient.

Published May 4, 2026 4 min read
MWEB security after the exploit: what changed, what was fixed, and what risks remain
Guide

MWEB security after the exploit: what changed, what was fixed, and what risks remain

Separate the March and April 2026 MWEB incidents, documented fixes and remaining operational risks. Follow the reviewed Core release and primary postmortem.

Published May 4, 2026 3 min read
How Litecoin consensus works: blocks, forks, and why reorgs happen
Guide

How Litecoin consensus works: blocks, forks, and why reorgs happen

Learn how valid blocks, accumulated chain work and reorganizations affect confirmations. More work does not make an invalid block valid.

Published May 4, 2026 4 min read
Litecoin inheritance planning: how to pass your LTC to heirs
Guide

Litecoin inheritance planning: how to pass your LTC to heirs

Plan access, legal instructions and wallet recovery for heirs. Separate discovery information from secrets and test the process safely.

Published Apr 7, 2026 4 min read
Common Litecoin scams in 2026 and how to protect yourself
Guide

Common Litecoin scams in 2026 and how to protect yourself

Recognize wallet, recovery, phishing and address-poisoning scams. Verify software sources and respond without exposing keys or paying recovery scammers.

Published Apr 7, 2026 4 min read
How to compare Litecoin exchanges: fees, liquidity and custody risks
Guide

How to compare Litecoin exchanges: fees, liquidity and custody risks

Compare the amount of LTC actually received after trading, withdrawal and conversion costs. Examine custody and liquidity without an unsupported exchange ranking.

Published Apr 7, 2026 4 min read
Running a Litecoin full node: setup, pruning and troubleshooting
Guide

Running a Litecoin full node: setup, pruning and troubleshooting

Run a wallet-disabled Litecoin Core node, verify the software, understand pruning and local RPC, and use versioned diagnostics to check synchronization and storage.

Data / code included
Published Mar 23, 2026 Content checked 8 min read