DeFi · Historical retrospective · 2022
Aave v3 introduced a broader market architecture
Aave v3 shipped a set of features including efficiency modes, isolation modes and deployments across multiple networks.
Read the briefing →Historical archive · 2022 · 15 briefings
Crypto milestones in 2022
15 original, source-linked historical crypto briefings associated with events or proposals documented in 2022. Articles were published Sep 28, 2026.
Bitcoin · Historical retrospective · 2022
BIP 352 proposed reusable silent-payment addresses
BIP 352 describes a scheme for publishing a static address-like code while deriving unique on-chain outputs for incoming payments.
Read the briefing →Layer 2 · Historical retrospective · 2022
Cross-chain bridges became a central security concern
Bridges coordinate representations or messages across networks, often using validators, multisignatures, light clients or canonical rollup contracts.
Read the briefing →NFTs · Historical retrospective · 2022
EIP-6551 gave NFTs a standard route to smart accounts
EIP-6551 proposes token-bound accounts that let an NFT control a smart-contract account and associated assets.
Read the briefing →Security · Historical retrospective · 2022
Exchange failures renewed attention to hot and cold wallet controls
Major incidents across the industry highlighted how exchanges segregate assets, restrict signing and monitor withdrawals.
Read the briefing →Security · Historical retrospective · 2022
Nomad’s bridge incident showed how one bad state can cascade
In August 2022 an initialization error in Nomad’s bridge verification logic enabled many users to copy a transaction pattern and drain assets.
Read the briefing →NFTs · Historical retrospective · 2022
Soulbound-token proposals explored non-transferable digital credentials
EIP-5192 and related proposals explored ways to make some NFTs non-transferable, enabling credentials or identity-linked badges rather than market assets.
Read the briefing →Stablecoins · Historical retrospective · 2022
Stablecoin stress showed that secondary-market pegs can diverge
The 2022 market turmoil demonstrated that a stablecoin’s exchange price can move away from its target when redemptions, liquidity or confidence are impaired.
Read the briefing →Layer 2 · Historical retrospective · 2022
Starknet brought validity-proof execution to Ethereum scaling
Starknet uses validity proofs to attest that batches of transactions follow its execution rules, with Ethereum contracts verifying commitments.
Read the briefing →Stablecoins · Historical retrospective · 2022
TerraUSD’s May 2022 depeg exposed algorithmic-stablecoin fragility
UST lost its dollar peg in May 2022, causing severe disruption across the Terra ecosystem and wider crypto markets.
Read the briefing →Policy · Historical retrospective · 2022
The FTX collapse became a criminal case as well as a bankruptcy
Following FTX’s 2022 failure, U.S. prosecutors brought criminal charges against founder Sam Bankman-Fried; the DOJ later announced a jury conviction and sentence.
Read the briefing →Ethereum · Historical retrospective · 2022
The Merge replaced Ethereum’s proof-of-work consensus
On September 15, 2022, Ethereum’s execution history joined the Beacon Chain and block production moved to proof-of-stake validators.
Read the briefing →Security · Historical retrospective · 2022
The Ronin bridge exploit revealed the scale of validator-key risk
Sky Mavis disclosed that attackers compromised validator keys used by the Ronin bridge, enabling unauthorized withdrawals that went undetected for days.
Read the briefing →Security · Historical retrospective · 2022
The Wormhole exploit tested cross-chain bridge recovery
In February 2022 Wormhole disclosed a vulnerability that allowed unauthorized minting of wrapped assets; the incident was addressed after intervention by the project and supporters.
Read the briefing →Policy · Historical retrospective · 2022
U.S. sanctions on Tornado Cash prompted a debate over code and control
In August 2022 the U.S. Treasury sanctioned Tornado Cash-related addresses, prompting litigation and scrutiny of how sanctions law applies to decentralized software.
Read the briefing →Event or proposal year: 2022. These retrospective articles were first published Sep 28, 2026.