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Brief

Crypto brief: September 3, 2026

Board seats and rate stewards did more overnight work than the tape. On the site CoinGecko snapshot fetched at 00:25 UTC on September 3, 2026, Bitcoin was $77,065, down 0.4% over 24 hours. Ether was $2,383.48, down 1.5%. Solana was $99.90, down 0.1%. Global market cap sat near $2.61 trillion, bitcoin dominance was about 59.0%, and 24-hour volume was about $73.6 billion.

Coinbase grew its board to ten and seated Anthony Armstrong. Aave Risk Stewards lifted USDe borrowing rates another 100 basis points. Ethresear.ch said privacy spends still sit above the EIP-8141 100k verification cap. Magicians posted ERC-8403. The Arbitrum Foundation booked $6.19 million of first-half income. Coinbase delayed Ethereum sends for about two hours. Kraken is investigating Monad funding delays again and has a 15-minute website window at 07:01 UTC.

The tape sits next to Bitcoin history and Ethereum history. Watch DeFi next to the Aave rate move, and how to check exchange and withdrawal status next to the venue clocks. See how to read a crypto market snapshot.

  1. Coinbase expands its board and seats Anthony Armstrong

    Coinbase Global filed an 8-K dated September 2, 2026 saying that on September 1 its board grew from nine directors to ten and appointed Anthony Armstrong, effective immediately. He will sit on the Audit and Compliance Committee and serve until the 2027 annual meeting unless he leaves earlier. Pay follows the non-employee director program described in the April 24, 2026 proxy, plus the standard indemnification agreement. The filing says he and his immediate family have ordinary Coinbase accounts, and it reports no appointment arrangements, family ties to current officers, or other Item 404(a) related-party transactions.

    Source: SEC EDGAR (Coinbase 8-K)

  2. Aave Risk Stewards lift USDe base rates another 100 bps

    LlamaRisk posted a September 2 Risk Stewards note to raise the USDe variable base rate by 100 basis points on all five Aave V3 deployments that list the token, taking that base from 2.00% to 3.00% after earlier steps on August 28 and September 1. On Aave V3 Core and Avalanche the same note also cuts USDe Slope1 by 100 basis points so the borrow APR does not overshoot the 5.25% to 5.50% band in the TokenLogic stablecoin rate plan. The review says 86 Core accounts cut $107.0 million of USDe debt, with $56.8 million re-borrowed as USDC or USDT, and it raises Slope1 by 20 basis points on fifteen other stablecoin reserves that carry about $5.83 billion of debt. LlamaRisk said it will implement the set through the Risk Steward process.

    Source: Aave governance (LlamaRisk)

  3. Ethresear.ch: privacy spends still miss EIP-8141 100k cap

    A September 2 Ethresear.ch post argues that privacy apps such as Tornado Cash and RAILGUN cannot drop off-chain relayers for EIP-8141 frame transactions unless those spends can clear the public mempool. The mempool cap the author cites is MAX_VERIFY_GAS of 100k. After the listed optimisations, a single-note Groth16 spend still needs 211,828 gas, and an eight-note spend needs at least 351,828 gas. The post therefore asks that the cap move to at least 250k so most typical privacy transactions could propagate without a relayer.

    Source: Ethresear.ch

  4. Magicians drafts ERC-8403 for account authority add, rotate, revoke

    Ethereum Magicians opened a discussion thread for ERC-8403, Account Authority Lifecycle, matching ethereum/ERCs pull request 1979. The draft defines how an account-abstraction account adds, rotates, and revokes authorities such as a signing key, a lock, or a limit, using a committed tree root and a membership proof rather than a new transaction type, opcode, or consensus rule. It gives a normative binding to EIP-8141 frame transactions and an informative mapping to the EIP-8130 keystore family so both models can prove the acting authority under the same named root.

    Source: Ethereum Magicians

  5. Arbitrum Foundation books $6.19 million of H1 income

    The Arbitrum Foundation H1 2026 progress update, posted September 2, puts first-half income at $6.19 million across transaction fees, Timeboost, Expansion Program licence fees, and treasury income, with 97% gross margins and $125 million of non-native treasury assets. It cites 2.7 billion lifetime transactions, 18% of that volume in H1, and about $70 billion in average monthly stablecoin transfer volume. The Foundation calls Robinhood Chain mainnet launch the defining H1 moment and names Robinhood, LG, Mastercard, and PayPal as institutions expanding on Arbitrum. It also says more than 1,000 teams are building in the ecosystem, with $1.7 billion of cumulative ecosystem GDP.

    Source: Arbitrum Foundation forum

  6. Coinbase delayed Ethereum sends for about two hours

    Coinbase status page opened an Ethereum sends-and-receives incident at 14:57 PDT on September 2 (21:57 UTC) and marked it resolved at 17:08 PDT (00:08 UTC on September 3). During the window it said some users could see delayed Ethereum funding while buys, sells, and fiat deposits and withdrawals stayed up, and it repeated that funds were safe. The desk treated it as a venue clock, not a chain halt. Traders who still see a stuck send should match the incident timestamps before assuming the asset is frozen.

    Source: Coinbase Status

  7. Kraken is investigating Monad funding delays again

    Kraken opened a fresh Monad (MON) funding-delay incident at 23:48 UTC on September 2, separate from the September 1 ticket that the September 2 brief already logged as resolved. The new page is still in investigating status. Deposits and withdrawals on the Monad gateway may be delayed, while Kraken says all other funding methods are operating normally. That is a second MON clock in two days, so treat the gateway as degraded until the incident flips to resolved, not as a chain-wide halt.

    Source: Kraken Status

  8. Kraken schedules a 15-minute website and API window at 07:01 UTC

    Kraken listed scheduled maintenance for the spot exchange website and API on Thursday, September 3 at 07:01 UTC, with a planned window of about 15 minutes through 07:16 UTC. The notice covers Website, FIX, REST, WebSocket, and Embed. It tells clients not to place or cancel orders during the window, warns that deposits and withdrawals started then may be delayed, and says sign-in and other non-trading features should stay up. After the work, markets are set to enter cancel-only mode, then post-only mode, before full trading returns.

    Source: Kraken Status