Layer 2 solutions are coming for PoW blockchain that offer all of the features of a PoS blockchain.

"Proof of Stake is Meh" - New Blog Post by ETCLabs Tech Coordinator, Stevan (stevanlohja)
https://medium.com/@stevan.blog/proof-of-stake-is-meh-37b23b5e18dc

Ethereum Classic (ETC): Decentralized ECIP Chat on Discord on 3/22/2019 at 12 EST — Recap

https://medium.com/@TokenHash/ethereum-classic-etc-decentralized-ecip-chat-on-discord-on-3-22-2019-at-12-est-recap-98b20542ab64

Emerald Command Line v0.25.3 has been released. Bugfix release, fixes critical bugs in v0.25.0. Download from https://github.com/ETCDEVTeam/emerald-vault/releases/tag/v0.25.3%2B1

Just released a short guide to using the latest Solidity version with Ethereum Classic targeting the right version of the EVM on the Kotti Testnetwork. Hope you guys enjoy it.
https://medium.com/ethereum-classic/kotti-solidity-etc-oh-my-2ae36926454d

"There is an increasing imperative to develop networks and ecosystems to allow users to own and secure their data" - Aaron Lowry

Check out the interview with Ethernode io

https://medium.com/ethereum-classic-labs/etc-labs-presents-ethernode-9ef7f737431d?