Create 12_3_Accessing_Bitcoind_with_Node.md

12_3_Accessing_Bitcoind_with_Node.md

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+# 12.3: Accessing Bitcoind with Node
+
+> **NOTE:** This is a draft in progress, so that I can get some feedback from early reviewers. It is not yet ready for learning.
+
+Accessing the `bitcoind` doesn't require `curl`. All you need is simple RPC functionality. That's what's provided by [BCRPC](https://github.com/dgarage/bcrpc) by kallewoof of Digital Garage.
+
+## Setting Up Node.js
+
+BCRPC is built on node.js. Thus, you'll first need to install the `node.js` and `npm` (node package manager) packages for your system. 
+
+If you're using a Ubuntu machine, you can run the following commands to get a new version of `node.js` (as opposed to the horribly out-of-date version in the Ubuntu package system).
+```
+curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -
+sudo apt-get install -y nodejs
+sudo apt-get install mocha -g
+```
+### Setting Up BCRPC
+
+You should next download BCRPC from the [BCRPC Repository](https://github.com/dgarage/bcrpc). Clone it or download it, as you prefer.
+
+Once you've done that, you can finish setting it up:
+```
+$ unzip bcrpc-master.zip
+$ cd bcrpc-master
+$ npm install
+```
+
+### Testing BCRPC
+