"A" rated booksAnonibet A (2011)
NitrogenSports A (2012)
"B"rated booksBetcoinsports B+ (2013)
Casinobitcoin B (2013)
Jetwin B (2013)
Cloudbet B- (2013)
"C" rated booksFairlay C (2014)
DirectBet C (2014)
Betmoose C- (2014)
OLEBitcoin C- (2013)*
Predictious C- (2013)
"D" rated books Premiumtradings D+ (2014)
Roadbet D+ (2012)
Betbtc D (2014)
"F" rated booksAsianconnect F ....................accepting deposits but they have confiscated funds from multiple players.
Ball2Win F ..........................accepting deposits. They are under the same license as "F" book gobetgo
BetCas F ............................accepting deposits but they have confiscated funds from multiple players.
BTCBonusBook (2015).......... accepting deposits with no payout history.
BTCBook F (2014) ................no payouts are being made due to a DDoS attack. One player has been waiting since 4/17/05.
Casinoco (2015)...................accepting deposits but not paying out all players.
Coindrafts F (2014)
Webetcoins F (2014).............accepting deposits but not paying out all players.
Bitbm F .............................accepting deposits but not paying out all players.
Bitcoinsport F
Bitcoinlivebets F
Coinbet F
Gobetgo F (2013)
Sportbet.im F
StakeBTC F
Blockbet F
Bitbook F
NRaltbetfair.com
betbanks.com
betinbtc.com
betkurus.com
BetVIP - closed 6/12/15
bitsportsbook.org
Coin178.com
Flutterclub.com
Planetofbets.com
tdsports.com
xbet.io
* longer accepting cash deposits
Maximum grade based upon time in business:
A - 2 years
B - 1 year
C - 3 months
D - 1 month
F - reserved for books that are scams, slow paying or stiffing players