MultiChain Developer Q&A - Recent questions tagged mobile

I want to my app can create a stream and publish data with his own address (Like a wallet)

Tue, 26 Dec 2017 20:25:26 +0000

I want to my app can create a stream and publish data inside the blockchain with his own address (Like a wallet)

Im only using the multichain to store metadata of a photography (Location, Time, ETC.) taken with my app

It is possible that in my app can generate an address that can be permanently linked to a user?
and each time this user uploads a photo through my app, it saves the metadata in my blockchain?

There is another alternative for this using Multichain?

We need a currency and want to allow user to create account from UI and send/receive amount between wallet

Sun, 17 Dec 2017 17:33:21 +0000

We are developing a blockchain base product for our own digital currency.We need a currency and want to allow user to create account from UI and send/receive amount between wallet.
Currently in this system multichain is used as a blockchain network. To communicate with this network we used a nodejs wrapper and front end app in angularjs. As multichain network is supporting peer to peer network we setup locally a Multichain network on our two systems also setup nodejs on both systems separately on our local machines.

There are two different ways in our mind:
1. Use a regular database to manage users under one server and that server will responsible for communication with multiple or single node of blockchain network for wallet management and transactions.but it becomes centralized we want decentralized.

2. Other way is every user has its own blockchain network node on his local machine and desktop base app for wallet management. we do not use regular database for it.
here are some question for this architecture...

How users data can be store for the system in better way on blockchain ?
How mobile or web users can use our product ?
How we can improve security on this architecture ?

Connect Android SPV Bitcoin Wallet with permissioned Multichain blockchain

Thu, 17 Aug 2017 09:51:44 +0000

Hi all,

I need to connect an Android SPV Wallet (e.g. this one) with a Multichain private permissioned blockchain. The application requirements are that permissions and streams of the Multichain blockchain should be leveraged, while we don't need the assets feature. I found that one should change these blockchain parameters so as to use a permissioned Multichain blockchain with a mobile wallet instead of a Bitcoin chain.

Some relevant questions:

Are these the only changes to be done to make it work?
Is there any step-by-step guide to achieve the connection flawlessly?
Would you suggest another Android SPV Wallet? e.g. can this forked library work fine with Android mobile devices? (I plan to install and test the wallet on an android tablet, and then on an android smartphone).

Many thanks in advance for your responses!

Regards,

Natassa

How can i connect to a blockchain without multichaind

Fri, 02 Jun 2017 02:38:40 +0000

Hi!

I am new to multi chain and am trying to develop a discussion/voting system based on streams. So far I have two servers that are able to communicate, read and write from streams. However, I am at a loss for how I can add a client so to speak.

For example, I would like to setup a web interface that users can use to login and view data and vote for issues. But how do these users get issued addresses and then login with those issues?

I think I am having some trouble conceptualising how blockchains interaction works.