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I feel a bit confused on how Bitcoin solves the double-spending problem
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jackzhou
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4
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1395
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September 17, 2014, 05:43:41 PM
by jackzhou
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I found a block but only transaction it contains is the 25 BTC mining award???
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Moria843
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12
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970
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June 05, 2014, 03:54:51 PM
by Muhammed Zakir
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I found an old disk wallet.dat but
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bad man
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4
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102
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March 02, 2024, 03:25:31 PM
by ymgve2
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i get error when use sendfrom function
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aliser
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0
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450
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January 23, 2014, 01:46:56 PM
by aliser
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I get exactly 21.000.000 coins.
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BlackHatCoiner
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12
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417
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July 22, 2020, 11:28:12 PM
by DougM
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I got a VPS lying around...
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jomplox
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1
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852
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January 29, 2013, 05:21:16 PM
by Gavin Andresen
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I got an idea: THROW AWAY THE BLOCKCHAIN
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tonf
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26
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374
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December 19, 2017, 02:16:41 PM
by ranochigo
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I got error after rebooting my Mac
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Security breach
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3
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73
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November 19, 2021, 11:59:37 PM
by BitMaxz
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i had .2btc in my wallet, sent but never recieved (and not on blockchain)
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bittawm
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3
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577
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February 24, 2017, 01:06:23 PM
by bob123
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i had a doubt from a long time ..............
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blackhat988
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8
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517
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October 09, 2017, 07:40:09 PM
by cr1776
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I had an idea to drastically increase the security of Bitcoin
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coastermonger
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1
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893
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May 01, 2013, 01:55:46 AM
by Revalin
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I have 26 out of 24 mnemonic words. Am I able to brute force still?
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Grantrocks
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7
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128
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April 24, 2024, 01:52:38 PM
by Grantrocks
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I have a development theory - criticism required (BTC an the disclosure of free)
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sunnybasra
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3
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137
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December 21, 2017, 02:53:44 PM
by sunnybasra
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I have a question about bitaddress.org and sha1.
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newsecurity1986
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2
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84
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April 03, 2022, 03:26:17 AM
by pooya87
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i have files for altium but cannot get altium what can i use to open the pcbdoc
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ashg1990
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0
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480
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November 04, 2013, 07:30:05 PM
by ashg1990
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I have made a Lightning FAQ – Feedback appreciated!
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Brandsen
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12
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1016
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December 02, 2016, 05:07:06 PM
by achow101
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I have recovered an old wallet.aes.json from Blockchain.info but its a raw key
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dsaerpe
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9
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403
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June 04, 2019, 09:32:18 AM
by Thirdspace
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I have something curious about POW
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soothinggel
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12
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324
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June 29, 2018, 08:23:28 PM
by cellard
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I have the Seed of an Idea, now I need HELP to nurture it!!!
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MakeAKilling
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13
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306
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January 09, 2018, 12:32:39 AM
by MakeAKilling
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I have WIF private key and try convert to HEX private key (JAVA)
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Sanka555
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6
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207
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December 19, 2021, 06:44:09 PM
by MixMAx123
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i heard someone attacked bitcoin network by lot of transaction...?
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mynameisdon
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27
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2714
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March 22, 2016, 10:27:05 PM
by bamsterdam
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I hold no view seeking information: 4 to 8 MB now. Technical Objections?
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jubalix
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26
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2207
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April 23, 2017, 06:12:25 PM
by Carlton Banks
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I implemented the BTC-e API for Google spreadsheet
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immerzl
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0
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492
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March 01, 2014, 07:17:04 PM
by immerzl
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I just had this idea.
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judithmcb94
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6
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511
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December 08, 2017, 09:04:31 AM
by mikecc
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I just lost one of my 24 seed phrase on ledger nano s, please help!
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Darin0827
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16
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351
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December 31, 2017, 09:49:40 PM
by kahc
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I just published “On Proof-of-Skill”
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jaybny
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0
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124
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August 09, 2018, 06:50:59 AM
by jaybny
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I made a mistake by re-synchronising
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Jet Cash
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9
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1330
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August 16, 2016, 05:12:19 PM
by CrazyCraig
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I made my own code to Create your own Bitcoin address (Python)
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Phobos_Quake
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1
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69
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March 19, 2024, 04:44:33 AM
by pooya87
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I may have overlooked that satoshi spent an additional 25 BTC in 2009. Not sure.
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Taras
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16
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2444
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June 28, 2014, 02:36:12 PM
by Taras
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I need a guiding hand to explain me elliptic curve cryptography
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BlackHatCoiner
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39
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523
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March 23, 2021, 03:51:43 AM
by o_e_l_e_o
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I need confirm this transaction
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velete
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6
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810
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July 07, 2016, 04:32:32 AM
by velete
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I need file [ bitcoin08-deps-win32-gitian-r13.zip ]
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wsxdrfv
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0
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135
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March 04, 2018, 01:46:56 PM
by wsxdrfv
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i need good blockexplorer and rich list maker for coin!?
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Cryptotraider16
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2
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751
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August 28, 2016, 03:16:54 PM
by Cryptotraider16
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I Need Help Compiling A Wallet For Debian
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hesdeadjim
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3
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184
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April 26, 2018, 08:38:52 PM
by hesdeadjim
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I need help embedding a message into a Tapscript spend
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warpanomaly
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0
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34
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April 12, 2024, 04:39:36 PM
by warpanomaly
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i need Help in learning how p2sh addresses and tx works.
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btctousd81
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2
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377
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November 10, 2017, 07:50:02 AM
by pebwindkraft
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I need help on How to easily Generate Public key from private key.
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Hyphen(-)
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10
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339
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April 02, 2022, 03:01:30 PM
by Asiska02
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i need help spending a timelocked (op_hold) transaction (bounty payment)
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ShiftKeyBroken
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6
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290
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October 20, 2018, 04:57:11 AM
by ShiftKeyBroken
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I need help understanding secp256k1_scalar_check_overflow (from secp256k1 lib.)
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Coding Enthusiast
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6
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154
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April 05, 2021, 12:08:45 AM
by gmaxwell
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I need Help unlocking Multibit Classic wallet - password bug
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Simon H
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1
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292
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November 10, 2017, 10:38:05 PM
by HCP
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