Security Articles

Learn about blockchain, cryptocurrencies, DeFi and wallets. Guarda team prepares articles on the most relevant data for crypto newcomers as well as advanced users.

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Crypto Wallets: Hot vs. Cold Wallets

Crypto Wallets: Hot vs. Cold Wallets

Ever heard of ‘Not your keys, not your coins?’ Cold wallets allow you to store your keys in physical devices, whereas hot wallets are digital storage wallets.

5 min

2 May 2022

Places That Don’t Tax Crypto

Places That Don’t Tax Crypto

Crypto is liable to Capital Gains Tax in most countries because it is considered a capital asset, however there are tax free countries.

6 min

23 March 2022

Is Cryptocurrency Safe to Invest In?

Is Cryptocurrency Safe to Invest In?

Cryptocurrencies keep making headlines, but the risk associated with them has investors concerned and in this article we'll talk pros and cons.

5 min

23 March 2022

A Cryptocurrency Wallet Can Help Keep Your Coins Safe

A Cryptocurrency Wallet Can Help Keep Your Coins Safe

Here's a rundown of the various types of cryptocurrency storage options to choose from to make sure your assets are safe.

4 min

23 March 2022

Cryptocurrency Scams: Tips from Guarda to save your funds

Cryptocurrency Scams: Tips from Guarda to save your funds

As the use of bitcoins and other cryptocurrencies becomes more and more adopted, scams targeting these currencies have also spread.In this article, we explain how not to fall victim to all common types of scams and detail the most dangerous ones, so you know how to avoid them.

15 min

17 March 2021

What is a Digital signature?

What is a Digital signature?

A digital signature is a cryptographic method used to verify the validity and integrity of digital data. It is a digital equivalent of traditional handwritten signatures, with a higher level of complexity and security. Simply put, it is a special code attached to a message or document, acts as proof that the message or document has not been tampered with.

6 min

24 August 2020

What is Double-spending?

What is Double-spending?

The primary goal of blockchain technology is to create a reliable and secure digital money system. Before Bitcoin was invented, attempts to design a similar system had already been made, but they were all faced with the problem that transactions could be copied.

3 min

6 July 2020

What is 51% Attack

What is 51% Attack

51% attack is a hackers' assault on the blockchain network, where one person or a group of miners, for example, one mining pool can control much of the hashing speed. It can lead to disruption of the network processes as the attacker will have enough hashing power to exclude or change a specific transaction or the order of transactions.

4 min

29 June 2020

Zcash and Guarda: Together for Privacy

Zcash and Guarda: Together for Privacy

Guarda Wallet proudly supports over 45 popular blockchains with their tokens and considers it essential to raise public awareness of these projects, cryptocurrency market events and blockchain technology in whole. Let's turn to ZCash foundation as one of the major forces of our industry and find out more about its specific features.

5 min

14 May 2020