Bitcoin Gold (BTG) is a Bitcoin hard fork that took place in 2017. The initial goal behind creation of Bitcoin Gold was to increase level of decentralization of Bitcoin network as it became obvious that most of the network is controlled by few mining pools.
DeepBrain Chain (DBC) token is based on cryptocurrency NEO protocol. The token trades on the number of exchange paired with major cryptos. The ICO was conducted in late 2017.
Wanchain is a blockchain-based distributed superfinance marketplace. This is the definition that the developers whitepaper suggests. It is noteworthy that this loud name hides a really interesting filling. The Wanchain platform allows you to exchange digital assets between other blockchains. It uses the latest cryptographic theories to build a non-proprietary cross-chain and distributed ledger protocol that records both cross-chain and internal transactions.