Guarda Academy

Learn more about blockchain, cryptocurrencies, and wallets here. Guarda team has collected the most relevant data for crypto newcomers as well as for advanced users.

Guarda Academy

Security

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
How to Prevent Your Crypto Wallet From Being Hacked

How to Prevent Your Crypto Wallet From Being Hacked

Nowadays, cryptocurrency is showing up in numerous industries. Though we cannot tell anything for sure, the latest predictions of crypto experts sound rather optimistically: in the nearest future we’ll be able to pay in crypto for the groceries, enjoy our favourite online games on the websites like PartyCasino and even complete tax payments with cryptocurrency.

5 min
Double Spending problem

Double Spending problem

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
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
ZCash: Privacy Protecting

ZCash: Privacy Protecting

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
How to Keep Your Crypto Wallet Safe and Secure

How to Keep Your Crypto Wallet Safe and Secure

A crypto wallet mostly works in the same way as a traditional wallet does – it is designed to keep your money safe and always needs to be kept safe and secure for this to happen.

3 min
How to detect crypto scam?

How to detect crypto scam?

Unfortunately, crypto fraud is still a reality. Attackers will try to take advantage of all the places they see promise or advantage. It is certainly still possible to steal funds in the cryptocurrency space, so the fraudsters always look for new ways to trick people – whether by stealing their data or money directly.

10 min