May 8, 2021

What is a ERC-20 Token?

The notable advanced cash and blockchain structure Ethereum relies upon the usage of tokens, which can be bought, sold, or traded. Ethereum was dispatched in 2015, and from that point forward it has gotten one of the main thrusts behind the notoriety of digital currency. In the Ethereum framework, tokens speak to a different scope of advanced resources, for example, vouchers, IOUs, or even genuine world, unmistakable items. Basically, Ethereum tokens are brilliant agreements that utilize the Ethereum blockchain.

  • The famous digital currency and blockchain framework known as Ethereum depends on the utilization of tokens, which can be purchased, sold, or exchanged.
  • One of the main tokens is called ERC-20, which has arisen as the specialized standard utilized for all brilliant agreements on the Ethereum blockchain for token usage.
  • A lot of notable computerized monetary forms utilize the ERC-20 norm, including Creator (MKR), Fundamental Consideration Token (BAT), Foreshadow (REP), and OmiseGO (OMG).

 

What Is ERC-20?

One of the main Ethereum tokens is known as ERC-20. ERC-20 has arisen as the specialized norm; it is utilized for all shrewd agreements on the Ethereum blockchain for token usage and gives a rundown of decides that all Ethereum-based tokens must follow.

ERC-20 is comparative, in certain regards, to bitcoin, Litecoin, and some other digital currency; ERC-20 tokens are blockchain-based resources that have esteem and can be sent and gotten. The essential contrast is that as opposed to running all alone blockchain, ERC-20 tokens are given on the Ethereum network.

ERC-20 Characterizes a Typical Rundown of Rules

As of October 2019, in excess of 200,000 ERC-20-viable tokens exist on Ethereum's primary organization. The ERC-20 orders essential significance; it characterizes a typical rundown of decides that all Ethereum tokens must cling to. A portion of these guidelines incorporate how the tokens can be moved, how exchanges are endorsed, how clients can get to information about a token, and the complete gracefully of tokens.

Subsequently, this specific token engages engineers, everything being equal, to precisely foresee how new tokens will work inside the bigger Ethereum framework. This rearranges the errand set out for engineers; they can continue with their work realizing that every single new undertaking won't should be revamped each time another token is delivered, as long as the token observes the principles. This consistence is likewise fundamental; it guarantees similarity between the a wide range of tokens gave on Ethereum.

Luckily, by far most of token engineers have conformed to ERC-20 standards, implying that a large portion of the tokens delivered through Ethereum starting coin contributions are ERC-20 consistent.

A lot of notable computerized monetary forms utilize the ERC-20 norm, including Producer (MKR), Essential Consideration Token (BAT), Forecast (REP), and OmiseGO (OMG). In the event that you are anticipating buying any advanced money that is given as an ERC-20 token, you should likewise have a wallet that is viable with these tokens. Fortunately, on the grounds that ERC-20 tokens are so famous, there are various choices for wallets.

ERC-20 Indicates Six Unique Capacities

ERC-20 characterizes six distinct capacities to support different tokens inside the Ethereum framework. These are commonly fundamental usefulness issues, remembering the strategy for which tokens are moved and how clients can get to information with respect to a specific token.

Taken together, this arrangement of capacities and signs guarantees that Ethereum tokens of various kinds will all consistently act in any spot inside the Ethereum framework. All things considered, essentially the entirety of the advanced wallets which uphold the ether money additionally uphold ERC-20-consistent tokens. But since the ERC-20 standard remaining parts generally incipient, there will probably be bugs that should be resolved. To refer to an illustration of one such past glitch: Ethereum tokens sent straightforwardly to a savvy contract used to lose cash, in light of the fact that a blunder in the convention implied that a token's agreement couldn't react to an endeavor to make an immediate exchange, coming about in the "misfortune" of the cash related with that move.

April 8, 2017

BITMAIN AntRouter R1: 1st WiFi Device with a BTC Mining Chip

The AntRouter R1 is a wireless networking device containing a bitcoin mining chip. The R1 is preconfigured to mine on AntPool’s solo mode, meaning that as long as the device is powered, you are competing for a chance to solve a block and win the entire block reward of 12,5 bitcoins.

Main features of the AntRouter R1:
  • General Wireless Router
  • Mini WiFi Access Point
  • High Speed USB Charger
  • Bitcoin Mining Host 
  • Bitcoin Mining Hashrate: 5,5 GH/s
See it in action - mining with a AntRouter R1 device:


This is a good mining device for home use. The hashrate is not quite high but it can be used for home-based bitcoin mining without any problems. 5.5 GH/s can be also pointed to any other SHA-256 cryptocurrency.







March 28, 2017

Avalon A7 Bitcoin Miner Specs

AvalonMiner 721: The ROQ Solid Miner. The AvalonMiner 721 is made with Reliable Open Quality. Bitcoin mining with this hardware features:

  • 6THash @ 900W @ $888
  • 0.15J/GHash or 150W/THash/s
  • $0.15/GHash/s or  .21BTC/THash/s


AvalonMiner 721 packs 72 A3212 chips into each unit providing a consistent 6 Terahash per second (THS) at 900 Watts, all designed for long lasting operation.

From upgradable Open Source firmware to using Off-the-Shelf Simple power supplies, controllers, and AvalonMiner Management Software (AMS), Canaan’s goal is to help you manage datacenters, not machines. 

The AvalonMiner 721 is a datacenter miner. With aluminum printed circuit boards (PCBs), aluminum case, Smart Cooling, and Smart Frequency Adjustment, the AvalonMiner 721 is the Smart Miner.

AvalonMiner 721 by Canaan Creative Co., Ltd.
  • Hash rate: 6Th/s -5% - +10%
  • Power consumption: 900 W -5% - +15%
  • Operating temperature: -5C to 40C
  • Dimensions: 340mm x 136mm x 150mm
  • Cooling fans: 12038 PWM fan X1
  • Net weight: 4.3 Kg

After running mine for a day, it stabilised at 6.3Th for 1040W at the wall, though I'm using gold PSUs so expect a bit less power usage with platinum. The more interesting thing is when I undervolted it to 4700mV, it seemed quite stable at 770W for about 10% less hashrate. Lower levels of voltage seemed to kill the hashrate or were unstable.

January 17, 2017

Antminer S9 - Bitmain - 14 Th/s

Antminer S9 is built on the BM1387 ASIC Chip. It is the world’s most efficient bitcoin mining chip in 2016/17. FinFET technology delivers 0.098 J/GHs. Each Antminer S9 has 189 chips inside.


Antminer S9 technical data sheet:

  • Bitcoin Mining Hashrate: 11TH/s (Batch 22) & 14TH/s (Batch 23)
  • Power Usage: 1078W +10% (Batch 22) & 1372W +10% (Batch 23)
  • Efficiency: 0.098 J/GH +10%
  • Device Dimensions: 350mm(L) x 135mm(W) x 158mm(H)
  • Temperature when mining up to 40°C
Antminer S9 has also a very friendly user interface which allows you to start mining bitcoin on the way - no advanced setup is needed in order to run the device.

The Antminer S9 has a hashrate of 14 Th/s and a nominal power consumption of 1375 watts

December 3, 2016

Bitcoin price in November 2016

Bitcoin price in November 2016 - median price in USD from bitstamp trades.

  • 1st November opening price - 697.04 $
  • 30st November closing price - 742.06 $
The following chart shows the price of Bitcoin in US Dollars from 1st to 30st November 2016.


November 3, 2016

Bitcoin price in October 2016

Bitcoin price rised over 18% in October 2016 starting from $610 and increasing up to $725. It is still a good chance to buy bitcoin and retire peacefully. The best idea is to invest small amounts in bitcoin every week.

Bitcoin price chart for October 2016


Bitcoin price chart for October 2016

Data source:
http://bitcoincharts.com/charts/bitstampUSD#rg60zczsg2016-10-01zeg2016-10-31ztgCzm1g10zm2g25

Zcash Online Miners

Hashflare offers new 1-year contracts for Zcash mining using the Equihash mining algorithm. You can buy online miners for Zcash cryptocurrency and start mining instantly.

Prices of ZCash Cloud Miners

The price of Zcash miners are as follows:
  • 1 H/s for 12 months - $42
  • 2 H/s for 12 months - $82
  • 5 H/s for 12 months - $210
  • 10 H/s for 12 months - $420
You can pay with PayPal, credit card or directly with bitcoin. Cloud Zcash mining will be active for the whole year.

Buy Zcash Cloud Mining Power

Online mining power for Zcash using Equihash is limited. Now you can get a 10% discount using the following Hashflare promo code: HF16HLLWN10 (valid until November 6, 2016).

Zcash pool settings will become available on November 21.