I am wondering how you didn't find claims against Bankera when all its profiles here in bitcokntalk are negatively trusted. Take a look at those threads collected by user nutildah :
https://bitcointalksearch.org/topic/big-bankera-concerns-2373307
https://bitcointalksearch.org/topic/bankerascam-2605779
https://bitcointalksearch.org/topic/bankeraspectrocoin-paid-shills-bumping-the-thread-247-creating-a-fake-buzz-5174337
https://bitcointalksearch.org/topic/bankera-scam-project-by-vytautas-karaleviius-mantas-mockeviius-2126829
https://bitcointalksearch.org/topic/why-criminals-like-vytautas-karaleviius-allowed-here-and-not-in-prison-2135371
https://bitcointalksearch.org/topic/bankera-scamm-projekt-2302255
From other websites:
https://www.southlaisthefuture.com/bankera-ico-review-a-1-1-billion-scam/
https://www.cointelligence.com/exchanges_list/bankera/
https://medium.com/@slobodangeorgiev/bankera-the-era-of-monkey-style-ico-d7e2fc0524fd
http://bittrust.org/spectrocoin
https://iconow.net/lithuanias-central-bank-investigates-100-million-euro-bankera-ico/
https://www.coindesk.com/lithuanias-central-bank-probes-100-million-euro-ico
https://cryptocurrencytalk.com/video/view/86737-bankera-ico-bankera-ico-review-a-11-billion-scam/
I do really believe in your good willingness, however i suggest you to search about the reputation of each listed platform, or at least add an advice in the topic queue for readers to make their own researches before to use any platform from the list .