chainsafe updated and development updated

ethereum-basics/development/README.md

@@ -1,7 +1,7 @@
 # Developing on the Ethereum blockchain
 
 ## Summary
-Ethereum is a blockchain, first-and-foremost. Its primary artifact is the smart contract, written in the programming language, Solidity
- 
+Ethereum is a blockchain, first-and-foremost. Its primary artifact is the smart contract, primarlily written in the programming language Solidity, a language with syntax similar to JavaScript. Currently Vyper is being developed to offer another choice when developing smart contracts, with syntax similar to Python.
+
 ## Resources
 * [Ethereum Developer Tools List](https://github.com/ConsenSys/ethereum-developer-tools-list)

ethereum-roadmap/serenity-phases/eth2-teams/chainsafe.md

@@ -2,13 +2,14 @@
 
 ## Background
 
-Based in Toronto, ChainSafe Systems is a blockchain research and development startup offering consulting services to a number of different ethereum-based projects including Shyft, Bunz, Aion, and Polymath.
+Based in Toronto, ChainSafe Systems is a blockchain research and development firm offering consulting services to a number of different ethereum-based projects including Bunz, Shyft, Aion, and Polymath.
 
 ## Implementation Details
 
-The team is currently building an Ethereum 2.0 client written in JavasScript called Lodestar.
+The team is currently building an Ethereum 2.0 client written in JavasScript/TypeScript called Lodestar. In addition to the beacon chain client, the team is also working on Simple Serialize (SSZ) in JS, Fixed Sized BigNumbers in TS, and BLS Signatures and Signature Aggregation in JS. 
 
 ## Resources:
 * [Website](https://chainsafe.io/)
 * [Github](https://github.com/ChainSafeSystems/lodestar_chain)
+* [Gitter](https://gitter.im/chainsafe/lodestar-chain)
 * [Twitter](https://twitter.com/chainsafeth)