Historical record
QuadrigaCX seeks creditor protection
OSC staff reported that Quadriga had ceased operations and filed for creditor protection by this date.
BTC · ETHRead source ↗
Ontario Securities Commission staff: QuadrigaCX review
CRYPTO HISTORY · SOURCES MATTER
The cycles had real consequences.
A sourced timeline of crypto milestones and failures, separate from the game’s fictional prices and random outcomes.
A curated, expandable archive. It does not claim to cover every event worldwide.
82 · Historical record
Historical record
BitConnect announces platform closure
CNBC reported on 17 January that BitConnect had announced the previous Tuesday that it was shutting its platform.
CNBC: Digital currency plunge may be healthy for cryptocurrency marketHistorical record
CFTC announces Bitcoin product self-certifications
The CFTC announced self-certifications by CME, CFE and Cantor; this is the announcement date, not every product’s first trading day.
CFTC: self-certification of Bitcoin productsHistorical record
Byzantium upgrade activates
Byzantium added protocol improvements and reduced the block reward from 5 ETH to 3 ETH.
Ethereum.org: protocol history and forksHistorical record
BNB’s initial offering opens
BNB’s initial coin offering ran from 26 June to 3 July 2017. BNB was initially an ERC-20 token on Ethereum.
BNB Chain: Exploring BNB TokenHistorical record
Spurious Dragon addresses DoS damage
Ethereum changed opcode pricing and state rules following denial-of-service attacks.
Ethereum.org: protocol history and forksHistorical record
Bitfinex suffers a major BTC theft
DOJ’s later prosecution records describe the August 2016 theft of 119,754 BTC from Bitfinex. The incident is recorded at month precision.
U.S. Department of Justice Open Data: Bitfinex hacking and laundering casesHistorical record
Ethereum executes the DAO fork
A disputed fork moved DAO-related funds to a recovery contract; the split also produced Ethereum Classic.
ETH · ETCRead source ↗
Ethereum.org: protocol history and forksHistorical record
Bitcoin’s second subsidy halving
At block 420000 the subsidy became 12.5 BTC. The date is derived from the main-chain block’s UTC timestamp.
Blockchain.com block data: Bitcoin block 420000Historical record
The DAO exploit disclosed
The Ethereum Foundation reported an ongoing recursive-call exploit draining The DAO. The date is the disclosure date.
Ethereum Foundation: CRITICAL UPDATE Re: DAO Vulnerability