Educational Post:
What is Hashing?
Hashing refers to the process of generating a fixed-size output from an input of variable size. This is done through the use of mathematical formulas known as hash functions.
Although not all hash functions involve the use of cryptography, the so-called cryptographic hash functions are at the core of cryptocurrencies. Thanks to them, blockchains and other distributed systems are able to achieve significant levels of data integrity and security.
Both conventional and cryptographic hash functions are deterministic. Being deterministic means that as long as the input doesn’t change, the hashing algorithm will always produce the same output (also known as digest or hash).
Typically, the hashing algorithms of cryptocurrencies are designed as one-way functions, meaning they cannot be easily reverted without large amounts of computing time and resources. In other words, it is quite easy to create the output from the input, but relatively difficult to go in the opposite direction (to generate the input from the output alone). Generally speaking, the more difficult it is to find the input, the more secure the hashing algorithm is considered to be.
Different hash functions will produce outputs of differing sizes, but the possible output sizes for each hashing algorithm is always constant. For instance, the SHA-256 algorithm can only produce outputs of 256 bits, while the SHA-1 will always generate a 160-bits digest.
Hashing is particularly useful within the context of blockchain technology. The Bitcoin blockchain has several operations that involve hashing, most of them within the process of mining. In fact, nearly all cryptocurrency protocols rely on hashing to link and condense groups of transactions into blocks, and also to produce cryptographic links between each block, effectively creating a blockchain.
What is Hashing?
Hashing refers to the process of generating a fixed-size output from an input of variable size. This is done through the use of mathematical formulas known as hash functions.
Although not all hash functions involve the use of cryptography, the so-called cryptographic hash functions are at the core of cryptocurrencies. Thanks to them, blockchains and other distributed systems are able to achieve significant levels of data integrity and security.
Both conventional and cryptographic hash functions are deterministic. Being deterministic means that as long as the input doesn’t change, the hashing algorithm will always produce the same output (also known as digest or hash).
Typically, the hashing algorithms of cryptocurrencies are designed as one-way functions, meaning they cannot be easily reverted without large amounts of computing time and resources. In other words, it is quite easy to create the output from the input, but relatively difficult to go in the opposite direction (to generate the input from the output alone). Generally speaking, the more difficult it is to find the input, the more secure the hashing algorithm is considered to be.
Different hash functions will produce outputs of differing sizes, but the possible output sizes for each hashing algorithm is always constant. For instance, the SHA-256 algorithm can only produce outputs of 256 bits, while the SHA-1 will always generate a 160-bits digest.
Hashing is particularly useful within the context of blockchain technology. The Bitcoin blockchain has several operations that involve hashing, most of them within the process of mining. In fact, nearly all cryptocurrency protocols rely on hashing to link and condense groups of transactions into blocks, and also to produce cryptographic links between each block, effectively creating a blockchain.
Crypto Chart Alerts
Bitcoin cannot break and hold above the $21,400-$21,500 resistance area. BTC is again trying to break this level. Let's see if BTC is able to break this level. We will see some movement when the US stock market opens.
Bitcoin broke the $21,500 resistance and moved towards the $23,000 resistance. Bitcoin is now trying to break the $23,000 level. The support is $21,500 and BTC needs to hold this level. The market is giving positive vibes and we see a continuation of this upward move this week.
HIGH/BTC
HIGH Token (Highstreet) is a native token of a decentralized commerce-centric play-to-earn metaverse built with virtual reality (VR) support.
Technically lying above strong support. RSI is in the oversold region. MACD is showing bullish momentum. It will pump hard from here. so now is the right time to build your position in it before breakout for massive profits😊
Targets: 822-950-1050-1200 satoshi
HIGH Token (Highstreet) is a native token of a decentralized commerce-centric play-to-earn metaverse built with virtual reality (VR) support.
Technically lying above strong support. RSI is in the oversold region. MACD is showing bullish momentum. It will pump hard from here. so now is the right time to build your position in it before breakout for massive profits😊
Targets: 822-950-1050-1200 satoshi
Crypto Chart Alerts
ETH broke the major resistance level. ETH now testing the resistance of $1410-$1420 area. If you added ETH near $1000 then it is in 30-35% profit. Increase your stop loss near $1250 level and hold the long position. A break above $1420 will open gates for…
ETH broke the $1420 resistance and as expected moved towards the $1600-$1700 area. If ETH is able to break above $1700 then we see a move towards the $2000 area. Currently, the ETH trade is running at 60% profit. Increase your stop loss to near the $1400 level and hold this position.
Educational Post:
What Is a DoS Attack?
In short, a DoS attack (or Denial-of-Service attack) is a method used to disrupt legitimate users' access to a target network or web resource. Typically, this is accomplished by overloading the target (often a web server) with a massive amount of traffic - or by sending malicious requests that cause the target resource to malfunction or crash entirely.
The first documented case of a Denial-of-Service attack was in February of 2000 when a 15-year old Canadian hacker targeted Amazon and eBay web servers with such an attack. Since then, more and more people have utilized DoS attacks to disrupt targets in many industries.
DoS vs DDoS attacks
Another similar term that you’re likely to encounter is a DDoS attack, which stands for a Distributed Denial-of-Service attack. The difference between a Dos and a DDoS attack is that during a DDoS attack, many malicious machines are directed to target a single resource. A Distributed Denial-of-Service attack is far more likely to be successful in disrupting the target than a DoS attack originating from a single source. Bad actors also tend to prefer this method as it becomes increasingly difficult to trace the attack back to its source since the attack originates from multiple points.
As cryptocurrencies have picked up traction in recent years, crypto exchanges have become increasingly popular targets for DDoS attacks. For example, when the cryptocurrency Bitcoin Gold officially launched, it immediately became the target of a massive DDoS attack that ended up disrupting their website for multiple hours.
The Proof of Work consensus algorithm ensures that all network data is secured by cryptographic proofs. This means that it is almost impossible to change previously validated blocks. Altering the Bitcoin blockchain requires the entire structure to be unraveled record-by-record, something which is a practical impossibility even for the most powerful computers.
So, a successful attack would probably only be able to modify the transactions of a few recent blocks, for a short period of time. And even if the attacker manages to control more than 50% of the Bitcoin hashing power to perform the so-called 51% attack (or majority attack), the underlying protocol would be quickly updated as a response to the attack.
What Is a DoS Attack?
In short, a DoS attack (or Denial-of-Service attack) is a method used to disrupt legitimate users' access to a target network or web resource. Typically, this is accomplished by overloading the target (often a web server) with a massive amount of traffic - or by sending malicious requests that cause the target resource to malfunction or crash entirely.
The first documented case of a Denial-of-Service attack was in February of 2000 when a 15-year old Canadian hacker targeted Amazon and eBay web servers with such an attack. Since then, more and more people have utilized DoS attacks to disrupt targets in many industries.
DoS vs DDoS attacks
Another similar term that you’re likely to encounter is a DDoS attack, which stands for a Distributed Denial-of-Service attack. The difference between a Dos and a DDoS attack is that during a DDoS attack, many malicious machines are directed to target a single resource. A Distributed Denial-of-Service attack is far more likely to be successful in disrupting the target than a DoS attack originating from a single source. Bad actors also tend to prefer this method as it becomes increasingly difficult to trace the attack back to its source since the attack originates from multiple points.
As cryptocurrencies have picked up traction in recent years, crypto exchanges have become increasingly popular targets for DDoS attacks. For example, when the cryptocurrency Bitcoin Gold officially launched, it immediately became the target of a massive DDoS attack that ended up disrupting their website for multiple hours.
The Proof of Work consensus algorithm ensures that all network data is secured by cryptographic proofs. This means that it is almost impossible to change previously validated blocks. Altering the Bitcoin blockchain requires the entire structure to be unraveled record-by-record, something which is a practical impossibility even for the most powerful computers.
So, a successful attack would probably only be able to modify the transactions of a few recent blocks, for a short period of time. And even if the attacker manages to control more than 50% of the Bitcoin hashing power to perform the so-called 51% attack (or majority attack), the underlying protocol would be quickly updated as a response to the attack.
Crypto Chart Alerts
HNT Analysis : HNT is beem inside the large symmetrical triangle pattern and right now price is trying to gain some momentum from the supporting uptrend line. Also, price is taking rejection from the strong resistance level around $8.88 - $8.99. If price…
HNT bounced from the support as expected and now testing the local resistance area. If HNT is able to break above $9.70 then we see a move towards the $11.50 major resistance level. If you opened a long position near $9.00 then increase your stop loss to breakeven price and hold this trade.
Crypto Chart Alerts
HIGH/BTC HIGH Token (Highstreet) is a native token of a decentralized commerce-centric play-to-earn metaverse built with virtual reality (VR) support. Technically lying above strong support. RSI is in the oversold region. MACD is showing bullish momentum.…
First target achieved within few hours. More than 14% quick profit. Increase stop loss and hold for maximum profit.
Crypto Chart Alerts
HIGH/USDT lying above strong support. Stochastic is giving a buying signal. It will bounce hard from here. so now is the right time to build your position in it before breakout for massive profits😊 Targets: $1.82-2.15-2.45-2.85 SL: $1.32
HIGH also achieved first target in USDT pair. That is 15% profit from our entry. Our team always find best TA+FA signals for our community. Pin our channel on top to never miss a signal and share it with your friends and family. Keep Earning 😊
WAN/BTC
Wanchain is a distributed ledger that allows for cross-chain transactions and the interoperability of multiple chains.
Technically lying above strong support. RSI is in the oversold region. MACD is showing bullish momentum. It will pump hard from here. so now is the right time to build your position in it before breakout for massive profits😊
Targets: 1146-1375-1755-2075 satoshi
Wanchain is a distributed ledger that allows for cross-chain transactions and the interoperability of multiple chains.
Technically lying above strong support. RSI is in the oversold region. MACD is showing bullish momentum. It will pump hard from here. so now is the right time to build your position in it before breakout for massive profits😊
Targets: 1146-1375-1755-2075 satoshi
Crypto Chart Alerts
Bitcoin broke the $21,500 resistance and moved towards the $23,000 resistance. Bitcoin is now trying to break the $23,000 level. The support is $21,500 and BTC needs to hold this level. The market is giving positive vibes and we see a continuation of this…
Finally, Bitcoin broke the major resistance of $23,000 and held above it. We will see a move towards $25,000 if BTC is able to hold above the $23,000 level. Global markets also showing some positive moves and we expected the same in the crypto market.
Crypto Chart Alerts
HNT bounced from the support as expected and now testing the local resistance area. If HNT is able to break above $9.70 then we see a move towards the $11.50 major resistance level. If you opened a long position near $9.00 then increase your stop loss to breakeven…
HNT broke the $9.70 resistance level and as said it moved up. Increase your stop loss and hold this long position. We will see a test of $11.50 major resistance level in the coming days. If HNT broke the big symmetric triangle in an upward direction then we see a strong rally. Keep holding with trailing stop loss.
Crypto Chart Alerts
SXP Analysis : SXP is been inside the falling wedge pattern and also price support a strong bounce from the support zone of $0.31 - $0.33. Currently, price is testing the resistance line and might gonna break it, if #BTC hodls above $20,000 mark. A breakout…
SXP broke the falling wedge pattern and also retested it. If you bought SXP at the retest then you are in more than 17% profit. The resistance is $0.44-$0.455 area and the major resistance is $0.528-$0.544 area. Increase your stop loss to buying and hold this trade.