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