After a massive response to the domains like web development, application development, and Android development, many developers are now drifting towards a new development concept of computer science called 'Blockchain Development'. The best thing is that anybody can learn blockchain development because it is open source. Moreover, with proper guidance and zeal, one can even become the best developer in the fraternity.

Given below are 10 online sources for getting started with blockchain development.
(1) If someone is looking for a complete novice approach, then one should get his hands wet with this awesome book on the topic. It uses a theoretical as well as a practical approach accompanied by analogies, code snippets and brief overview which make a very strong foundation. The link of the free book is: https://github.com/aantonop/bitcoinbook
(2) Apart from this, the book https://github.com/jashmenn/bitcoin-reading-list is another great resource to learn about bitcoin. This is available for free on Github. Furthermore, it gives a slightly advanced approach to the development of blockchain systems.
(3) Another online resource for diving into blockchain development (especially Bitcoin) is https://www.gitbook.com/book/programmingblockchain/programmingblockchain/details. One can easily read it online or download it in various digital formats such as pdf or epub.

(4) Besides bitcoin, there are many resources which feature other cryptocurrencies. Ether.fund is a guide which takes the basic ethereum development to a more innovative approach. According to experts, one should have a good knowledge of JavaScript before diving further into the aforementioned development.
(5) Furthermore, this resource gives a good insight into the blockchain development based on ethereum. It is accompanied by some additional sources which will guide an individual further into DAPPS development.
(6) If an aspiring developer wants to learn about the necessary algorithms, then he/she must rush towards Proof of Work vs Proof of Stake. This is a youtube video which explains about a couple of consensus algorithm in blockchain development.
(7) Another great learning spot for DAPP development is "Intro to DAPP development". It is written by an Ethereum Stack Exchange user jjms in order to aid the novice developers to step into the domain.

(8) For the individuals who are willing to shell out some bucks from their pockets, Udemy also has some budget-friendly options to learn Solidity development. This is a very small blockchain development tutorial which has some projects for the applicants under its hood. Click here to visit the course.
(9) Check this youtube video in order to get a basic idea on ethereum development. This YouTube video sums up all the basic needs within 30 minutes.
(10) State of the DAPPs – if you ever wondered what kind of DAPPs exist or what state they are in, you can use the tool provided by ethercasts. It allows filtering the  list by name/tags or sort by category