List of all the cryptocurrency referrals I could find. Most if not all are ICOs or Airdrops. All amounts are delivered in tokens. Most tokens earned/airdropped are on Ethereum (ERC20). Tokens acquired on sign up not listed but almost all are also airdrops.
Woter. Trade - https://woter.trade/?mref=48198 - 1.25$ per user
Dock.io - https://goo.gl/YXLAik - 3.00$ per user
Mannabase - https://www.mannabase.com/?ref=0cb50277ce - UBI Tokens, Extra allotment
Bounty Health Nexus - https://bountyhealthnexus.herokuapp.com ... 51f6dd76f2 - 50 bonus Shares each
Cibus - https://tokensale.cibus.world/signup.ph ... gPaoCrypto - 1 token per user
GameX - https://gamex.co.in/?mref=TurtleKing - 5 tokens per user
Eventum - https://alpha.eventum.network/?ref=SQKxaJhi - 300 Points per user
Apollo DAE - https://t.me/Apollo_Airdrop_bot?start=BubbaBigFoot - Extra Stakes
Cappasity - https://t.me/CappasityAffiliateBot?star ... cxYzAyZGVh - 10 per user
Corbit - https://corbit.website/airdrop/QfddA - 10 per user
Thrivelabs - https://reg.thrivelabs.io/register?ref=a7f8d5ca7f216c11 - Split among all participants - Extra Stakes in airdrop
Orca Alliance - https://orcasurvey.typeform.com/to/ccYc16 - 100 on sign up - 10 orcas per user
MaxData - https://airdrop.maxdata.io/?kid=M7NB8 - 10 per user
Sandblock - https://sandblock.app.link/QpdXksKxFK - 10 per user
Nauticus - https://nauticus.io/ref/2b9eff5531ff199 ... b27f47d838 - 100 per user
Gladius - https://airdrop.gladius.io/earn/3ONHBCPUFK8DV4TF - Extra Stakes in Airdrop
Simply Vital Health - https://bountyhealthnexus.herokuapp.com ... 51f6dd76f2 - 50 Shares for both
Aelf - https://candy.aelf.io/account/register? ... 124T6VcUb4 - Extra Shares Daily
Airfio - https://goo.gl/PLP7P6 - two tokens per user
Pharmz - https://pharmz.io/invite/?id=XP4aNq89 - 10 per user
Xpress Token - https://wn.nr/G7XPVn - Extra Entry
Wcex - https://ico.wcex.co/?ref=1dGGI5V - 50 per user
Refind - https://refind.com/KungPaoCrypto?invite=ca399d137d - 20 for both per user
Vyper - http://vy.tc/es3zb19 - 100 ticketss per user
Ojut - http://oju.io/t/refer/KD90EEhWZvG - 2 tokens per user
Current - https://referral.current.us/?mwr=6402-38fb5aee - 5 tokens per user
TradePlayz - http://vy.tc/es4B755 - 100 tickets per user
Gift Box - https://gift.one/i/84930261393 - 100 gift per
Pay Pro - https://www.payproapp.com/airdrop/2wniBsfnUh - .25x Extra per user
Newton Tree Token - http://refer.newtontree.co/?ref_code=8h ... cfubfiqy5z - 99 per user
Lino - https://drop.lino.network?code=eMpbkKDX - 5 per user
Friendz - https://steward.friendz.io/go?r=Njg5NDAy - 10 per user
Binance - https://binance.com/?ref=10905019
Coss.io - https://sso.coss.io/api/invite/Z5CH4GU161
BitMex - https://www.bitmex.com/register/0f060q - 10% Discount for 6 Months