Betcoin NCAA bracket contest. Over $3k first prize.

[raiders72001]

The top 5 brackets with the most points upon completion of the tournament will share 150 mBTC in prizes.
1st- 60 mBTC
2nd- 40 mBTC
3rd- 20 mBTC
4th- 20 mBTC
5th- 10 mBTC

[raiders72001]

Standard bracket contest. 1, 2, 4, 8, 16, 32 pts/round.

[bonzaii]

Eligibility Requirements
To be eligible for this promotion, place a wager of at least 0.2 mBTC on any basketball market with odds of at least 1.91 (-110 American). The wager(s) must be placed on or after Sunday, 14 March, 2021 to qualify. Players can enter up to 10 brackets, with 10 qualifying wagers.
Entries must be received in full by 1100 EST on Friday, 19 March. Completed entry includes filling out a support ticket which includes a betslip ID showing eligibility for every bracket. Brackets from incomplete entries will be deleted.

[raiders72001]

Getting 10 brackets in helps. There's strategy to having at least one in the money.

[raiders72001]

They are free but require approximately a $12 bet to get in.