Proof of burn

Author rewards:
20.997 SBD, 39.656 STEEM and 55.589 STEEM POWER for burnpost/re-burnpost-steem-experiment-burn-post-172-20180707t020452700z
30.089 SBD, 56.829 STEEM and 79.662 STEEM POWER for burnpost/steem-experiment-burn-post-172
15.674 SBD, 23.763 STEEM and 35.293 STEEM POWER for burnpost/re-burnpost-steem-experiment-burn-post-163-20180705t075145300z

Sold 66.760 SBD for 55.525 STEEM on internal market

https://steemd.com/tx/1db7d8ccd455cfddb2cd82bbf40767c373015aa2

Power up of 175.773 STEEM since SBD > $1 (+120.248 reward)

https://steemd.com/tx/cbeb2cd64bd2fa8b15ec8d8f495504ba72edfaea