1. What happens when a node cannot find the base Block of a newly received Block

  2. Who gives SPV nodes merkle path to do validation for small subset of transaction?

  3. What does the 'Estimated BTC Transacted' value mean on

  4. can we extract coins from a public account address in a decentralized way with help of code that is open source | Bitcoin
  5. Is this classification of private, public, permissionless, permissioned blockchains correct?

  6. How does Blockchain as a Service (BaaS) work?

  7. BTC that i received 2 days ago are missing, how come?

  8. How can data be accessed/searched for in a blockchain?

  9. Is Lightning network really a hope for better scalability and low latency?
  10. Countrywide Internet isolation, inevitable fork

  11. Unable to get private key for Blockchain wallet

  12. Security of block chain
  13. How new nodes synchronize with ledger ?
  14. Error when running .yml file

  15. Where do I find my Blockchain wallet's change address?

  16. Does calculating how many bitcoins I have take longer as time goes on?

  17. Blockchain Recent Scaling Proposals : (Sharding, blocksize , SegWit, GHOST, Lightning, multichains, sidechains, DAGs)

  18. How to unblock an account that is held to ransom

  19. Tie Breaker to reduce orphaned chains?

  20. What does the main_chain value returned by mean?
  21. How does the protocol prevent miners from building off of a fraudulent blockchain?

  22. If a block chain is considered invalid, how about transactions in this block chain?
  23. statistics on actual "replacement" of blocks
  24. Valid block on top of invalid block

  25. Shorter Chains in blockdata

  26. How are transactions in forks verified efficiently?

  27. Blockchain length by number of blocks or transactions?
  28. Can separate Bitcoin chains be merged back?

  29. what happens to spent bitcoins gained from a block of a soon to be dropped chain as a result of a fork?
  30. Can a two-block-sized chain override the main chain?

  31. What if some attacker forks blockchain from height 1 with a constant difficulty 1?

  32. What happens to the mining reward if the blocks gets replaced?

  33. What happens to extinct blockchains, and transactions inside of them?
  34. How is a blockchain split resolved?

  35. Definition of blockchain height

  36. How does a client decide which is the longest block chain if there is a fork?
  37. Longer fake block chain with "valid" transactions
  38. Can the blockchain be outpaced by a chain of low-difficulty blocks?
  39. What would happen if two miners were mining two blocks with two different set of transactions?

  40. Strongest vs Longest chain and orphaned blocks

  41. What does the term "Longest chain" mean?

  42. Several Q's about consensus about the longest chain and when this chain be confirmed?
  43. Is the purpose of proof-of-work the immutability of the blockchain?

  44. Blockchain Payment receive api

  45. How do I program smart contracts?

  46. Blockchain Address gap limit solution

  47. How blocks are created and broadcast?

  48. Steps for running lightningd, lightning-cli?
  49. In Math or Python notation - How to convert bits to difficulty?
  50. Explanation of probability of forks in the Bitcoin blockchain

  51. Where can i find proof of work in bitcoin core source code?
  52. I had a similar IDEA to blockchain & in 2015 said to some univs. They used it and did it imperfectly. can be hacked?

  53. How do you make bitcoins bought from a exchange anonymous?

  54. Bitcoin Cash Wallet options and receiving BCC

  55. Peergroup download of the blockchain stalls?

  56. Provide payment processing to my community

  57. How to build a Dash Ninja Front-End

  58. altcoin debug.log shows ERROR: CTxDB::LoadBlockIndex() : Failed stake modifier checkpoint height=0

  59. multibit balances wrong, not correct for any individual address
  60. Blockchain and user rights to ask for personal data removal

  61. used blockchain for bitcoin
  62. How come a company partners with Bitcoin?
  63. What is Delegated Proof of Stake (DPoS)?
  64. Why is sharding not possible with a distributed blockchain?

  65. Cannot create a raw transaction using bitcoin-ruby

  66. Open source data for bitcoin Blockchain analysis

  67. Need help to understand where bitcoin transaction has gone

  68. How are mined blocks broadcasted in a distributed environment?

  69. What information is available from the blockchains of privacy currencies?

  70. Which one is more effective for attacking the system, controlling 51% of the mining power or 51% of the full nodes?

  71. Can any crypto and blockchain savvy person give your opinion on this?
  72. Settling offline transactions
  73. Extract output address from raw script in bitcoin protocol

  74. unknown output script in a sample bitcoin pcap file

  75. Sending Bitcoin from my wallet to a different bitcoin address
  76. Do mining pools eliminate the need to store blockchain?

  77. Array of individual transactions from
  78. Need updated blockchain of different wallets to save synchronization time

  79. Are there any opensource PHP cryptocurrency exchange/marketplace

  80. reducing the size of images produced by the hyperledger fabric
  81. Blockchain API callback is OK but bitcoin is not in wallet
  82. Stuck Sync masternode wallet after clone Phore
  83. connect watching wallet with blockchain
  84. A part I do not get about SPV

  85. Can a ZCash shielded/deshielded transaction have values for both vpub_in and vpub_out

  86. Why different coins have different number of confirmations?

  87. How Do Peers Choose Which Peer To Trust?
  88. Blockchain / Bitcoin / Previous address / Next address
  89. Unsure order of 12 word mnemonic

  90. Scam or not terabox?

  91. Bitcoin success rate

  92. How TON (Telegram Open Network) works and how Telegram inc use blockchain to create IAAS

  93. php api

  94. What is the composition of transaction types in current blocks?

  95. Bitcoin Miner for HP application

  96. Bitcoin transaction graph
  97. NXT / Ardor 1.11.5 stuck on blockchain syncing
  98. How to recover forgot about Bitcoins
  99. bitcoind crashing due to insufficient memory?
  100. Bitcoin core verification keeps reseting