Note that the highlighted events are the ones that i personally consider the hot ones.
1st of June
Eos: erc-20 tokens will be freezed and converted into real EOS tokens on EOS blockchain
SYS coin: holders airdrop(CPS coin).
- Pundi X: 7% of tokens unlocked - prolly negative
Vertcoin(VTC): Vertbase Launch(buy/sell VTC with USD)
shift: atomic swap between chains enabled
- aphelion(APH): mobile wallet
GameCretdits(Game): HD wallets, eventual segwit signaling and atomic swaps activation
- Authorship(ATS): official project launch
- DigiPulse(DGPT): main service release
- Billionaire Token(XBL): migration to EOS
- PACcoin(PAC): business plan finalised
- Flash Token(FTOKEN): payment of the first dividends
- Iot Chain(ITC): 12.65M ITC tokens added to circulating supply
3rd of June
- IOTA: more information about their new project "Qubic"
- Banyan Network(BBN): ICO tokens released
4th of June
- OriginTrail(TRAC): explorer release v0.9a(privacy layer implementation)
- FORCE(FOR): new website and roadmap
- Aerium(AERM): token swap, new whitepaper and roadmap
6th of June
- Cardano(ADA): roadmap update
- Zoin(ZOI): snapshot for NIX airdrop
- Waves(WAVES): Waves summer road show
- Factom(FCT): factom community AMA
7th of June
bitShares(BTS): core realease(Hard fork) and major updates
- Storm(STORM): an airdrop of unsold tokens
- Lisk(LSK): miami meetup