Convenience adds another method of scamming to the scammers' arsenal - transaction simulation spoofing
It's like a test before you ship: you see what changes will be in your wallet.
1. The phishing site initiates an ETH transfer to βClaimβ (receive).
2. The wallet simulates the receipt of a small amount of ETH (0.000...0001 ETH).
3. The server changes the state of the contract.
4. The actual transaction empties the wallet.
1. Update simulations before signing a transaction.
2. Add a list of phishing contracts to check.
3. Set up alerts if simulation results are out of date.
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Ulbricht, creator of darknet marketplace Silk Road, was sentenced in 2015 to two life sentences plus 40 years in 2015, was pardoned by Donald Trump
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You often hear that blockchain is simply a chain of blocks. However, few people explain exactly how it protects data from counterfeiting. Let's get into the details.
Each block contains its own unique digital fingerprint - hash. This is the result of a one-way function that converts input data into a unique fixed-length code.
What is the difference between hashing and encryption?
πΉ Encryption is a reversible process. Data is encoded with a key, but with the right key, it can be decrypted and returned to its original state.
πΉ Hashing is a non-recoverable process. The source data is converted into an indentation (hash), but it is impossible to recover it from this indentation.
Example:
1. If you encrypt the word βpasswordβ, you can decrypt it by knowing the key.
2. If you encrypt βpasswordβ, you can't restore it back. The only way is bruteforce.
Let's say we have a function:
f(x) = xΒ²
πΉ If x = 4, we easily obtain the result: 16
πΉ But if we are only given 16, we can't say for sure whether x = 4 or x = -4.
Cryptographic hash functions work on a larger scale; they create a unique hash for any input data.
Example SHA-256 (used in Bitcoin):
hello β 2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824
Hello β 185f8db32271fe25f561a6fc938b2e264306ec304eda518007d1764826381969
Change just one character and the hash is completely changed.
1. Each block contains a hash of the previous block.
2. If even one bit of data is changed, its hash will be changed as well.
3. The next block will no longer be able to refer to this hash, and the chain will break.
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Conditions:
1) Select our exchanger in the exchange form on the aggregator.
2) Make an exchange for any amount over $100 and leave a review about our service.
3) Contact us by telegram or via live chat on the website to claim your award
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πΉ Guaranteed to receive cryptocurrency directly from an exchange
πΉ Exchange of cryptocurrency to fiat and vice versa
πΉ User-friendly and intuitive interface with unique functionality in the personal cabinet
πΉ Access to DeFi for risk-free swaps for those who truly value decentralization
πΉ We work with fiat all over the world
πΉ Dynamic commission system which depends on monthly exchanged volume
πΉ White Label service for launching your own exchange service
πΉ We offer payments for invoices and your other services
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It is estimated that about 6 million bitcoins (about 30% of the total) have been irretrievably lost. This is due to forgotten private keys or lost hardware wallets. These bitcoins remain on the blockchain, but without access to the private keys, they become inaccessible and cannot be spent.
πΉ James Howells and his 7,500 bitcoins
One of the most famous stories involves a British man named James Howells. In 2013, he accidentally threw away a hard drive that held the private keys to 7,500 bitcoins. As of today, those bitcoins are worth over $258 million! Howells repeatedly tried to find the hard drive in a landfill in Newport, Wales, but was unsuccessful.
πΉ Stefan Thomas and his 7,002 bitcoins
Stephan Thomas, a programmer from San Francisco, lost access to his wallet containing 7,002 bitcoins. He forgot the password to his IronKey, which allows only 10 password attempts before the data is permanently encrypted. Thomas has only two attempts left, and he still hasn't been able to regain access to his bitcoins.
πΉ Gabriel Abed and his 800 bitcoins.
Gabriel Abed, founder of a blockchain technology company, lost access to 800 bitcoins after his laptop broke down. He had stored private keys on that device and didn't back it up. This mistake cost him millions of dollars.
Stories remind us how important it is to take care of our digital assets and learn from other people's mistakes. Don't let missed opportunities become part of your story!
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The cryptocurrency sphere is continuously changing, and the number of ways to trade digital assets is also increasing. In this article, we will analyze two key types of exchanges: centralized (CEX) and decentralized (DEX) - their advantages and disadvantages.
πΉ Centralized exchanges (CEX)
CEX interfaces are usually intuitive, making them user-friendly for beginners.
Large selection of assets: These platforms offer a wide range of cryptocurrencies and trading pairs.
High liquidity: A significant number of users ensures fast transaction processing and minimal price differences. Ability to work with traditional currencies like dollars and euros.
πΉ Decentralized exchanges (DEX)
Funds Control: Your assets remain under your management in a individual wallet.
Anonymity: All DEXs do not require KYC, which provides greater privacy.
Low risk of hacking: The lack of a single point of storage makes DEXs less attractive to hackers.
No middlemen: All transactions are done directly between users.
πΉ Which option to choose?
Your choice between CEX and DEX should be based on personal preference. If convenience and variety of tools are important to you, CEX will be preferable. If you are focused on security and control of funds, DEX is a great alternative.
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Together with our partners, we are launching a GIVEAWAY with a prize pool of 1,000 USDT!
To participate:
Prize Distribution
The 1000 USDT prize pool will be randomly distributed among participants who have completed the form
π MAKE AN EXCHANGE
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We broke the million-dollar monthly volume mark for the first time in just 16 days, and our total project volume already exceeds 4,920,715 $
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We are pleased to announce the successful implementation of a number of improvements and edits to our website to improve usability and security
If the user specifies his email address, he will receive notifications about each update of the status of his order
The user will receive an email message about each login to the account
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We are proud to announce that our service is now available on the BestChange platform. This is the result of our persistent efforts and dedicated work aimed at the development and improvement of our project.
Conditions:
1) Go to our exchanger via our profile on monitor.
2) Make an exchange for any valid amount over $100.
3) Leave a review of our service, making sure to include the order ID when creating the review.
4) Contact us by telegram or via live chat on the website to claim your award
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