Learn about blockchain, cryptocurrencies, DeFi and wallets.

Articles (166)

Security

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.

Beginner

3 min

6 July 2020

Security

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.

Beginner

4 min

29 June 2020

Blockchain

What is Ethereum 2.0 (Serenity)?

The Ethereum network has become very popular in the world of cryptocurrencies and is currently processing large volumes of transactions. In order to continue the growth of the network, node operators are forced to increase their computing power, which can lead to centralized control.

Longread

15 min

22 June 2020

Tutorials

What are TRON Bandwidth Points?

TRON, while similar to the Ethereum network, offers some new features. To ensure sleek network operation, and no delays on transaction confirmation, the TRON network gives everyone a free pool of Bandwidth points for free transactions every 24 hours.

Beginner

3 min

1 June 2020

Security

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.

Beginner

5 min

14 May 2020

Tutorials

Ethereum ERC-20 Tokens Wallet Guide

The ERC-20 is neither a form of technology nor a type of software nor a unique piece of code. Then what? It’s rather a technical specification that a new token on the platform implements.

Beginner

5 min

13 May 2020

Crypto

What are stablecoins?

If you observe the dynamics of even the most popular cryptocurrencies like Bitcoin or Ethereum, it quickly becomes obvious how volatile they are. The main goal of stablecoins is to provide a consistent value over time.

Advanced

9 min

27 April 2020

What is Bitcoin halving? What to expect?

Blockchain

What is Bitcoin halving? What to expect?

The Bitcoin Halving 2020 is the most expected event in the crypto industry. The Crypto community could expect a possible Bitcoin growth model that predicts a new peak after the 2020 halving.

Advanced

10 min

21 April 2020

What is Multisig / Multisignature Wallet?

Crypto

What is Multisig / Multisignature Wallet?

At the beginning of February, following our clients’ continuous demands, Guarda has become the first-ever lightweight wallet to implement multi-signature technology for our Bitcoin wallet. This article will familiarise you with the term “Multisig”, the context behind it and its practical use.