The next development in the realm of TERA dapps is a crypto-mixer that makes transactions truly anonymous. It is worth noting that in the Tera crypto project innovations are not added to the blockchain using hard forks or sidechains, which requires long preparation and sometimes cardinal changes in the algorithm. The additional features that are necessary when working with cryptocurrency the user can get by connecting to . This approach allows to filter out unnecessary functions and leave only those that correspond to current tasks. decentralized applications In addition, scaling the Tera blockchain over 1000 TPS provides fast data exchange. Tera Anonymous Payments The addresses of the cryptocurrency wallets from which the coins are sent are not bound to documentary identified persons, like bank accounts. This characteristic led to a confusion of concepts of “private” and “anonymous” payments. The point is that the anonymity of the person involved into transactions with a cryptocurrency keeps up until digital ecosystem disjoints with fiat money. For example, when exchanging Bitcoin for national currency units, the equivalent is transferred to a bank card or electronic payment system with a verified account holder. After that anonymity is lost and, due to the specific features of the blockchain, where all information about the coin’s movement is stored, it becomes possible to get information about other transactions related to the wallet. Sites that offer to "foul the trail" belong to third-party developers and far from always guarantee results, but could turn out to be a fraudulent resource trying to pocket entrusted funds this way. As for individual projects, such as Zcash, Dash, Monero, there is impossible to disable anonymity in them, even when there is no need of this function. On the Tera platform, which has its own native currency, transaction anonymizing is implemented through the decentralized application Shadow Bank. This is a cryptomixer, that can hide the addresses of senders and recipients of transfers. https://terawallet.org/dapp/86 Anonymous payments in the Tera cryptocurrency are made through connecting the account to the Shadow Bank application. After the application is connected, a certain amount is deposited to the virtual bank account. You can pay with these funds, hiding wallet addresses. Commands for transactions execution are issued using orders. The entire functionality of the application is easy-to-use, and to complete the operation you need a couple of simple steps: specify the account from which the coins are sent, the recipient's account, the transaction amount and click the order activation button. The guarantee of the operations execution is provided by a smart contract, the code of which is open for review. In the transaction history the Shadow Bank account, where dapp user data is mixed, becomes the sender and recipient. Also in the capabilities of Shadow Bank is information encryption, due to which the data of the block lose transparency. There is a small charge for the cryptomixer service. When there is no need to hide information on payments, you can make transactions outside this service and without commissions. The more detailed information on the Shadow Bank is provided in the . following guide On the Tera platform you can not only use the already created dapps, but also implement your own ideas. The specificity of the project allows to add your own software developments, written in JavaScript, and participate in the further development of a decentralized network, receiving a reward for this. At the current moment Tera community is testing derivative products for the cryptocurrency market. During their creation the goal was also to make the product maximally convenient and easy to use. You will learn more about these innovations from the Tera Foundation project in the nearest future.

Monero

Zcash

Dash

Community Is

Dapp

Anonymizing transactions Using Crypto-Mixer: The TERA way

The purpose of this study is to understand the existing problems and current solutions for seafood trace-ability from the farmer to the end-consumer. A recent study identified, 60% of the shrimps rejected due to extensive use of antibiotics, and 94% of customers prefer complete transparency of the supply chain to be loyal to a product brand. As Environmental impact of shrimp farming and aquaculture rises, it is mandatory to monitor the supply and demand of wild shrimp fishing & shrimp aquaculture. Globally, food provenance has become a concern for government authorities, the seafood industry, and customer due to increasing food safety & authentication requirement. The current Shrimp supply-chain is affected by illegal, unexported, and unregistered fishing resulted in an estimated loss of $10 billion to $23.5 billion per year, representing 11–26 million tons of seafood. Thailand is a major exporter of shrimps to various countries around the globe, the current fish and shrimp export market of Thailand valued at 3,893 Million/year. Since the effective seafood traceability system will be underlying the drivers I,e., Government regulations of seafood and its safety, Consumer-facing and brand-aware of supply chain actors and for customers who demand to know more about their seafood. A recent survey found that consumers prefer to see everything from a complete ingredient breakdown to sourcing information. 94% of the responders say they are likely to be more loyal to a brand which offers full transparency. Blockchain can enable transparency of social and environmental indicators to incentivize ethical labor practices and environmental preservation. To identify and trace shrimp characteristics i,e., harvest date, quality, origin & processing information available to every entity in the supply chain. These statistics of National Fisheries Institute shows the rise in demand for shrimp production in India. Andhra Pradesh is the largest exporter of shrimps in India and with a record of 60% rejection rate due to indiscriminate use of antibiotics by the shrimp farmers. Quillhash collaborated with Marine Products Export Development Authority(MPEDA), a proof of concept(POC) developed to control and track the supply and demand of shrimps. A peek into the concept development, As shrimp farmers inputs data about the shrimp at each stage of its supply-chain, will be made visible to retailers all over India. PHT certificate is issued to each shrimp farmer with details of maximum shrimp grazing in particular region and time of the year. POC developed on Hyperledger Fabric, a private and permissioned blockchain ecosystem using the MongoDB database with AWS servers. Front & back-end was built using React & Node.js and logz.io for log management, Docker for container services. Key steps include: Registration of fisherman by an accredited organization. Item attribute confirmation by validation through farmer status, land area, farm location, GPS coordination, etc. Timestamp when fisherman delivers the item. By Tracking the transfer of the item to the supplier. Supplier validation of the verified items. User Traceability feature of the item on the blockchain explorer. Key Characteristics of the platform: Capabilities: To provide unique certification to farmers. To provide a unique QR code to Shrimp cart(countable shrimp) and to track the weight of the cart. The transporter will be able to validate the mass balance of the carts. Easily accessible data from the producer until the end supplier. Ability: To Alert the authority of the expiration date of farmers certification. To keep a track on the shipments. To detect the change in the mass balance. Alerts when unfortified product is processed without any prior validation records. Problems tackled by implementing this process: Prevent double spending by the Farm. Checked for validity of the PHT certificate. Checked if the PHT certificate has expired. Ensure no duplication of QR code exists. Over-claiming a harvest. Output weight cannot be greater than input weight. PHT certificate is expired. Processed shipment has already been spent. Check for double spending on the harvested shrimp used. Every transaction along a supply-chain on the blockchain is fully audit-able. By integrating Blockchain, smartphone applications can aggregate and display information to the customers in real-time. Furthermore, due to the strong integrity properties of the Blockchain, this information can be genuinely trusted. A thoughtful user interface that sheds light on the digital journey of a product can empower better purchases by giving users a logical choice that they can trust the system. The critical characteristics of supply-chain in any industry, traditionally been a) Quality, b)Speed, c)Dependability, d) Cost, and 5) Flexibility. For further discussion and queries on the same topic, join the discussion on Telegram group of Quillhash — https://t.me/quillhash

Chain

Trace

Read My Stories

Seafood Traceability on Blockchain

Just as the individual control of fire radically changed the balance of power between humans and nature, individual control of the creation, transfer, and storage of value shifts the balance of power between ordinary humans and The Bureaucratic Machine, which maximizes energy to value conversion. Throughout history, the human groups that discovered better ways of harnessing energy conversion (i.e., fossil fuels) or better technologies to maximize the extraction of value from it (i.e. electricity) have become dominant over the rest. Hence, is a key RCD advantage among humans and maximizing its value is key for increasing living standards as our global population approaches 8 billion. energy to value conversion efficiency [1] As Bitcoin seems optimally designed for private individuals to directly access, store, and transfer their economic-value contribution, two reasons make it the most likely vehicle to achieve that goal, as its adoption expands over the coming decades. energy to value conversion Bitcoin’s ability to turn energy into a scarce and immutable unit of account, via a self-sustained process, fueled by network-effects and game theory dynamics [2] beyond human control, brings a paradigm shift in the way society represents, owns, transfers, and stores value. In other words, by subtracting human control from our civilization’s fictional money concept, Bitcoin prevents bureaucrats from seizing and allocating value according to their interest. Over time, as ordinary citizens begin owning and allocating their wealth as they see fit, individual merit and entrepreneurship will regain control of the economy, as they did under Capitalism until the early 20th century, when Monetary Central Planning replaced it. This is evident just from looking, for instance, at Venezuela, a country where Keynes’ most popular stealth-confiscation tools (currency and interest-rate manipulation) were expressly magnified to hasten the process of embezzling the country’s yearly productivity, plus all excess economic-value (savings) citizens and private entities had accumulated during the 20th century. As word of Bitcoin spread over the past decade, guess which country reached the world’s fourth-largest Bitcoin trading volume in 2018? Only an Immutable [3] , Non-Systemic, Individually Controlled currency can efficiently replace Monetary Central Planning. If using Venezuela to hypothesize the “absurdum” in a simple Reductio ad absurdum argument is enough to prove what Keynesian economics has been doing globally, over , it is even easier to understand why Bitcoin’s dominance will spread. the last 80 years As citizens realize that despite its rather primitive design (compared to the multiple advantages touted by blockchain abstractions), Bitcoin is the only safe way for them to control the: Economic value-added, they contribute, Excess value-added, they have accumulated over their lifetimes, and Access to their productivity on-tap, regardless of how badly future public or private bureaucrats want to seize it for their purposes. [1] RCD (Resource Competition Dynamics) within the context explained here -see the opinion note in summary. [2] By giving away to miners, part of the value generated from network effects coming from its growing grid of nodes, Bitcoin makes it increasingly more expensive to confirm invalid ledger-entries than to confirm valid ones. Over time, whether its price increases or not, grid-growth funds a growing asymmetry between the cost of hacking its ledger and the cost of validating it. Additionally, having no tangible entities to intimidate, legally or physically, critically increases the likelihood of its ledger’s perpetuity. [3] Even if a shared-ledger's intrinsic design is decentralized, extrinsic factors will ultimately render it mutable, unless a) it manages to expand the number of validations and validation nodes in its grid until it amasses a level of computational complexity high enough to discourage attacks, b) there are no key man risks, and c) executing major changes to its code requires absurdly high consensus levels. In short, such a ledger would have to expand undetected for several years, its key designer/s would have to fully vanish, and trying to impose major changes to it would have been proven to be practically impossible.

Bitcoin

https://sequoian.com/

The Bitcoin Driven Power Shift from Bureaucracy to the Masses

I just finished working on , a website which lets you sort your favourite Spotify music by different moods, and then save them as playlists. moooodify This article will take you through my journey (briefly). I am no expert coder by any means, so I mostly learned as I went along. Alright, without further ado, let's get into it. You can check it out on . Product Hunt here Step 1: Registering my app First, I created an account on the . Registering my app there gave me a client ID which would be important for the next step. I could also whitelist redirect URIs. This URI enables the Spotify authentication service to automatically re-launch your app every time the user logs in. Developer's Dashboard You can learn more about registering your app . here Step 2: Authorization To have the end user approve your app for access to their Spotify data and features, or to have your app fetch data from Spotify, I needed to authorize your application. I used the method of authorization, which is shown below. Implicit Grant It's quite straightforward. I redirect to a URL with Spotify login, sending my  Client ID and the that were relevant, which I got from the previous step. permission scopes After the user has logged in, I get the access token which I can use to access the Web API. To learn more about what exact commands to use, you can see the . Spotify Authorization Guide Step 3: Using the Spotify Web API Sorting songs by mood Once my app is authorized, I first get the , depending on which tab the user is on. For example, if the user selects their top tracks of the last 6 months, this is the GET request: user's top tracks $.ajax({ : , : { : + access_token
    }, : {
        getTrackIDs(response);

    }, url 'https://api.spotify.com/v1/me/top/tracks?limit=50&time_range=medium_term' headers 'Authorization' 'Bearer ' success ( ) function response In case of or , the time_range query changes to short_term or long_term respectively. last month all time Once I get the response, I use the track IDs to then get the album art for each of the tracks. For that, I have to . This is how the request looked: get several albums { $.ajax({ : + (trackIDString), : { : + access_token
    }, : {
  setImages();
})
} ( ) function getAlbumArt trackIDString return url 'https://api.spotify.com/v1/albums?ids=' encodeURIComponent headers 'Authorization' 'Bearer ' success ( ) function response I then used the images attribute of the response to store them in an array. Having got all the info we need to display, that is, track name, artist name, and album art, we can now go ahead and sort our tracks into moods and display them. However, we need to get the first. We use the trackIDString we used for the albums as a query here too. audio features for each track $.ajax({ : + (trackIDString), : { : + access_token
            }, : {
                setTrackInfo(response);
            },
            }) url 'https://api.spotify.com/v1/audio-features?ids=' encodeURIComponent headers 'Authorization' 'Bearer ' success ( ) function response Alright! Now we have everything to sort the songs into different moods. Spotify provides various audio features like danceability, energy, acousticness, valence, tempo etc. I used a few of these in different combinations to come up with five different moods: Mellow, Upbeat, Chill, Party, High Energy. I then used JavaScript's method to insert the new track info on to the website. appendChild() I also created a tool where you can apply your own custom moods, in case you aren't feeling like any of the pre-generated ones. The principle is the same. The AJAX calls are made in the same order to fetch the tracks, their album art, and audio features. Creating Playlists Once the songs are sorted into moods, the user has the option to save these as playlists on to Spotify. For this, first I made a call to . We will need this to modify their playlists. get the user ID $.ajax({ : , : { : + access_token
      }, : {
          createPlaylist(response);

      }
  }) url 'https://api.spotify.com/v1/me/' headers 'Authorization' 'Bearer ' success ( ) function response We can then use the user ID to create a new playlist for them. For this, we use a POST request. $.ajax({ : , : + (user.id) + , : .stringify({ : playlist-name, : playlist-description
       }), : { : + access_token, : }, : {
        addTracks(response);     
      },
      }
    }) type 'POST' url 'https://api.spotify.com/v1/users/' encodeURIComponent '/playlists' data JSON "name" "description" headers 'Authorization' 'Bearer ' 'Content-Type' 'application/json' success ( ) function response This will create an empty playlist with a name and description of our choice. Now that we have a playlist, the only thing remaining is to add tracks to it. $.ajax({ : , : + (playlist.id) + + trackURIString, : { : + access_token, : }, : { .log( );
        },
        }
      }) type 'POST' url 'https://api.spotify.com/v1/playlists/' encodeURIComponent '/tracks?uris=' headers 'Authorization' 'Bearer ' 'Content-Type' 'application/json' success ( ) function result console 'yay' That's it! A filled playlist will be available in the user's Spotify library. Learnings It was the first time I was using the FTP method to host the website. Making it responsive, and having it work on all browsers was also a learning point. It would sometimes work only on Chrome, sometimes on every browser but Safari, so that was a challenge. The JavaScript was almost completely new. I didn't know about AJAX calls before this. Apart from that, I also tried my hand at CSS keyframe animations to give the website a smooth feel. All in all, this has been a great learning experience. Going through the whole flow of designing it, coding it, setting up tracking, and then releasing it has been extremely insightful. Try the website out yourself! Find me on and . Thanks for reading! Twitter Medium

HackerNoon Tech Stories Archive September 14th, 2019

Anonymizing transactions Using Crypto-Mixer: The TERA way

@tera
TERA

Seafood Traceability on Blockchain

@RamaTarun
Tarun RAMA

The Bitcoin Driven Power Shift from Bureaucracy to the Masses

@olairet
Oswaldo Lairet

My App Lets You Sort your Music by Mood [with some help from Spotify's Web API]

@ahujasid
Siddharth Ahuja

HackerNoon Tech Stories Archive September 14th, 2019

Anonymizing transactions Using Crypto-Mixer: The TERA way

@teraTERA

Seafood Traceability on Blockchain

@RamaTarunTarun RAMA

The Bitcoin Driven Power Shift from Bureaucracy to the Masses

@olairetOswaldo Lairet

My App Lets You Sort your Music by Mood [with some help from Spotify's Web API]

@ahujasidSiddharth Ahuja

@tera
TERA

@RamaTarun
Tarun RAMA

@olairet
Oswaldo Lairet

@ahujasid
Siddharth Ahuja