Update Nimbus - An Ethereum 2.0 Sharding Client_xt.md

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@ -313,9 +313,9 @@ Implement support for the following:
2. Create an abstraction that would allow sub-protocols: ETH,
[SHH](https://gist.github.com/gluk256/9812e59ed0481050350a11308ada4096), [PSS](https://gist.github.com/zelig/d52dab6a4509125f842bbd0dce1e9440), [Swarm](https://github.com/ethersphere/swarm), [LES](https://github.com/ethereum/wiki/wiki/Light-client-protocol), [Stateless Clients](https://nordicapis.com/defining-stateful-vs-stateless-web-services/), Sharding, [Plasma](https://plasma.io/), [State Channels](https://blog.stephantual.com/what-are-state-channels-32a81f7accab). For now, we can ignore all but LES and Sharding.
3. DB: Most implementations of Ethereum use [LevelDB](https://github.com/google/leveldb). Parity has a DB abstraction and uses [HashDB](https://github.com/NPS-DEEP/hashdb/wiki) and [rocksdb](https://rocksdb.org/docs/getting-started.html).
3. DB: Most implementations of Ethereum use [LevelDB](https://github.com/google/leveldb). Parity has a DB abstraction and uses [HashDB](https://github.com/NPS-DEEP/hashdb/wiki) and [RocksDB](https://rocksdb.org/docs/getting-started.html).
RocksDB is an interesting choice, because it solves the issues that have troubled leveldb. Rocksdb also has a [lite version](https://github.com/facebook/rocksdb/blob/master/ROCKSDB_LITE.md) for mobile usage; it's in C++, which would be an issue only if we go for pure C.
RocksDB is an interesting choice, because it solves the issues that have troubled leveldb. Rocksdb also has a [light version](https://github.com/facebook/rocksdb/blob/master/ROCKSDB_LITE.md) for mobile usage; it's in C++, which would be an issue only if we go for pure C.
4. [EVM](https://github.com/pirapira/awesome-ethereum-virtual-machine): basic VM,
[eWASM](https://github.com/ewasm/design) ([Hera](https://github.com/ewasm/hera) is also in C++)
@ -347,8 +347,7 @@ Implement support for the following:
6. [A Modest Proposal for Ethereum 2.0: A presentation by Vitalik Buterin at devcon three](https://youtu.be/hAhUfCjjkXc)
7. [Python Implementation of the EVM
](https://github.com/ethereum/py-evm/blob/master/README.md)
7. [Python Implementation of the EVM](https://github.com/ethereum/py-evm/blob/master/README.md)
8. [Discussion about sharding](https://ethresear.ch/c/sharding)