DeFi · Historical retrospective · Published Dec 28, 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 published in 2022.
Bitcoin · Historical retrospective · Published Dec 31, 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 · Published Dec 26, 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 · Published Dec 24, 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 · Published Dec 26, 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 · Published Dec 29, 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 · Published Dec 27, 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 · Published Dec 29, 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 · Published Dec 26, 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 · Published Dec 29, 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 · Published Dec 28, 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 · Published Dec 24, 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 · Published Dec 30, 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 · Published Dec 25, 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 · Published Dec 25, 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 →The archived publication dates for these retrospectives fall in 2022.