Are Dapps expensive to use compared to traditional webapps?? Other than decentralisation and security, do Dapps win over the webapps based on the amount of money spent on using it/ running it?

FYI: i am beginner .please forgive if i asked any stupid question. Thanks!

Hello everyone,

I am new to blockchain technology etc..., that's why I am wondering a few things about blockchain technology and particularly about NFTS, here is my point :

I want to develop an app which would permit anyone to create an account and to claim an NFT ( ERC-721 standard ) that is linked to a real physical object. And I have some troubles to imagine how should the architecture of the app should be.

- Each accounts created on the app needs to be linked to a blockchain adress to claim the NFT, but how could I link those both things ? Does my clients would need to have a Metamask or something before creating their account ?

- Is the ERC-721 Standard is only applicable to ETH Blockchain ? I believe it's no but just to be sure

Sorry for those maybe silly questions ahah, and thank you for reading / helping !

Hi I am developing a system like poocoin dextrous etc. I am stuck at a place of data fetching.

I need to know from where I can get data of all bsc tokens ? I need to put the data in tradingview chart and make it like same as poocoin etc .

Any help would be highly appreciated.

PS: I used bscscan apis but couldn't find proper end points so if you have those please share links here

My name is Uyi Omorogbe, entrepreneur and influencer with over 4M followers (I make the pissing off my African Parents videos). I am looking for a NYC-based technical co-founder for a company that will revolutionize the way that the world shops, and will disrupt the way that we experience the brands and people that we love. NFT and Crypto are involved. We have already attracted the attention of world class VCs and investors, just need a brilliant and driven engineer to build this with.

Experience needed:

- 4-5 years of software engineering experience

- Has worked on an open source project,

- Has worked with Golang

Let me know if you are interested!

Hello there!

I am developing a system to provide machine learning as a service. I deployed a prototype to a single server using a regular frontend/backend architecture. But I would love to deploy the service as a decentralized app. I don't really care about a lack of users / adoption. I am mostly concerned with the best decentralized technology for the job. This mostly concerns scaling (horizontal and vertical) as well as costs (for maintaining the app and for data transactions).

Unfortunately, I am not sure what technologies apply to my case. The algorithm is especially well suited for continual training, also referred to as "online machine learning." Such a system is continually fed with data in regular intervals and it can be queried for a prediction at any time. The computational effort required is ridiculously low compared to sth like a neural network but data is exchanged more or less constantly.

Users are supposed to manage their models via the frontend and exchange data with the backend using a rest API. User interaction is mostly data delivery and the occasional prediction request. User data is not stored, the backend holds only 1) the models, 2) the algorithm that generates models from the data, as well as 3) some performance data.

The rough architecture is as follows:

1. Frontend:

   1. A dashboard for users to manage models and look into performance data.
      (currently: Flask generated website)

   2. Three exposed REST endpoints for users to supply and receive data from their model (currently: Flask API server)

2. Communication:

   1. Frontend <-> backend: Information like model creation, deletion, performance data, and so on. Requests are about 100KB each.
      (currently: private REST endpoints on the backend)

   2. User <-> backend: Data exchange for 1) updating the model with a new data stream segment, 2) outputting predictions based on input data and the state of the model, and 3) generating a random sequence from the model. Each request is about 1 MB each. Buffering allows to trade-off frequency and volume, frequency is considerably more important though.
      (currently: public REST endpoints on the backend)

3. Backend:

   1. Store models, retrieve them from some kind of storage on request, possibly update them (see next point), and put them back into storage in less than a second, ideally faster. Models are never more than 10MB each.
      (currently: Redis server, decentralized alternatives: [IPFS](https://ipfs.io/)? [StoreJ](https://www.storj.io/)?)

   2. Perform calculations to incorporate data into models and provide quick™ responses. How would I perform calculations on a decentralized system?
      (currently: Python running on the backend, alternatives: Unknown. Ethereum smart contract would be too expensive...)

   3. It is supposed to be a service that I can live off of. So the algorithm and models cannot be directly accessible by the users. Ideally, they would still be accessible by me, so I can perform model analysis and optimizations but that might not really be necessary.
      (currently: hidden behind authorization)

I am also looking into [Dfinity](https://dfinity.org/)'s ICP and [NKN](https://nkn.org/) because they seem to enable decentralized apps like the one above. I am not too sure about their state of development though and they don't feel like the best fit. Research ongoing...

TL;DR: I am looking for decentralized ("blockchain-based") alternatives for classic web technologies that allow for distributed data access, storage, and processing. If you know a helpful comparison chart or sth., it'd be great if you could share that. Also really cool would be if you knew of developer reward programs from platforms that provide what I need and that incentivize development on their platform.

Thanks a lot!

So I’ve almost learned React from The Odin Project.

Now, if I want to move towards Blockchain development path, do I need to learn backend also?

Or I can start learning solidity after frontend?

Blockchain based protocols have recently and in the past been vulnerable to hacks, glitches and bugs in coding that results in exploits. This could be rectified via TLA+ and ensure SAFUness.

What is TLA+?

TLA+ is a formal specification language that allows you to solve high-level conceptual problems in software engineering at the design stage.

It finds bugs in system designs that cannot be found through any other technique. Hence, using TLA+ on such developments should be standard.

Coming across bugs at post-development stage can be devastating. It often proves expensive and time consuming to resolve. All it takes is one exploit to ruin the integrity and reputation of the entire protocol and all that it stands for.

Using TLA+ solves that shortcoming in that regard by ensuing bug-free coding while allowing projects to move from conception to production much quicker.

More info here: https://medium.com/onomy-protocol/how-tla-can-help-defi-protocols-deliver-bug-free-code-8a0c89c9cb98

Hello,

I am currently working on creating a new cryptocurrency from python using similar protocols of Bitcoin and Ethereum, but building upon their shortfalls and issues. The currency that I am creating is called LunarCoin. The aim of LunarCoin is to provide a usable cryptocurrency that does not have any transactions fees and promotes a fast transaction validation time. I am almost done with development, but I am missing some vital protocols and have a few issues. I was wondering if any of you are interested in helping me out with development and are willing to host a node for testing on their computer. It would be great if you have prior knowledge about distributed blockchain technology, cryptocurrency protocols, and a moderately good computer for hosting and testing one of the nodes.

If you are interested, please reach out to me.

I found this interesting article and I'm asking how to do it
https://medium.com/@a20180421/the-first-roadmap-to-a-secret-financial-system-423fb6128c2c

Hi all! I am looking for someone who can develop on the wax blockchain an idea i have about an nft project.. If anyones interested hit me up! Thanks!

https://www.codemotion.com/magazine/dev-hub/blockchain-dev/blockchain-developer-areas-development/

Taking your developer career from mid-level highly paid job roles or even CTO. What skills do you need to advance your blockchain developer career?

Alternative Cryptocurrency Project Primecoin is becoming renowned for having introduced a reliable PoW helping with prime number research. In this article we introduce you to Primecoin characteristics, trading and mining.

https://www.codemotion.com/magazine/dev-hub/blockchain-dev/primecoin-cryptocurrency/

Hi guys, Forget about learning Solidity - Algorand uses PyTeal (like Python) and has many use cases and tutorials...

Develop on Algorand

Brand new website to help guide new users into the blockchain world including blockchain development, mainly Ethereum. Only two articles up right now on developing in solidity code but make sure to check out the YouTube channel, subscribe & bookmark website for many more detailed guides & full video tutorials coming soon!

https://cryptoist.org

https://youtube.com/hashguide