Latest posts
TAC Announcement Channel
9 Sept, 14:50
Tomorrow, September 9, at 10:00 UTC we start the $TAC contract swap on BNB Chain. Every address that held the old BEP20 $TAC at block 119,573,620 gets the new token 1:1. That is 465.4M new $TAC to around 3,700 addresses, sent in several batches over the followingTAC Announcement Channel
8 Sept, 10:58
Tomorrow, September 9, at 10:00 UTC we start the $TAC contract swap on BNB Chain.Every address that held the old BEP20 $TAC at block 119,573,620 gets the new token 1:1. That is 465.4M new $TAC to around 3,700 addresses, sent in several batches over the following hours. This covers regular wallets, EIP-7702 wallets, Safe multisigs, LP positions in the main TAC pools on PancakeSwap and Uniswap, and bridge transfers that were in flight at the halt.You do not need to do anything. The new tokens come from our distribution wallet 0xaF7834D0cBf8542d169b380f768d889c3Fb06d86. New $TAC contract: 0xb305E6954e4e0Cd021c06Ec355681abc8A00dbD7. If it does not show up in your wallet, add it manually with this address.There is no claim site. We will never ask you to connect your wallet anywhere. Be careful with anyone who does.LP amounts reflect the $TAC in your position at the snapshot. The
TAC Announcement Channel
4 Sept, 10:35
Exchanges: $TAC deposits and withdrawals have resumed on Binance Alpha, Bybit, Kraken and MEXC, with other venues following today.TAC Announcement Channel
4 Sept, 08:53
TAC is back and operating normally.Mainnet has been producing blocks since September 2, resumed at height 24,671,476 on the patched release.> Staking pool restored in full: 2,985,651,403.40 $TAC. You can transfer, stake and unstake as normal again. > TAC<>TON bridge is fully operational. All transfers that got stuck during the halt have been processed. > TAC<>BNB Chain bridging via LayerZero has been re-enabled for the new $TAC contract. Liquidity for the new pool on BNB Chain is live and trading of the new $TAC has started. We are currently working on the bridge UI listing.Exchanges: $TAC deposits and withdrawals have resumed on Binance Alpha, Bybit, Kraken and MEXC, with other venues following today.Bridge transfers to BNB Chain that got stuck during the halt will be credited in the migration.Later today we will publish the list of addresses receiving the new $TAC on BNB
TAC Announcement Channel
2 Sept, 20:12
$TAC on BNB Chain is migrating to a new contract. The snapshot has already been taken.We are replacing the BEP20 $TAC on BNB Chain, where 1,662,322,353 $TAC is linked to the August 22 exploit. The migration cuts the attacker off from the stolen supply he still controls.New $TAC contract on BNB Chain: 0xb305E6954e4e0Cd021c06Ec355681abc8A00dbD7 Any other address is fake.Snapshot block: 119,573,620 (September 2, 17:16 UTC). It was taken before this announcement so the attacker could not use his supply to interfere with the distribution. Snapshot only records who held $TAC at that block.What happens now:> Held $TAC in your own wallet or in an LP position at the snapshot block: you receive the new token automatically. Attacker-linked addresses are excluded. > Held on Binance Alpha: the token swap and trading of the new token go live there on Friday, September 4, 08:00 UTC. > Propose
TAC Announcement Channel
2 Sept, 14:21
⚠️ $TAC on BNB Chain: STOP all activity.Do not trade, swap or transfer it, on any exchange or pool, until further notice.
TAC Announcement Channel
2 Sept, 10:25
Post-Mortem: The Cosmos EVM Exploit on TACBetween August 20 and August 25, attackers exploited a vulnerability in the Cosmos EVM module and extracted funds from multiple blockchains. TAC was one of six networks affected.On August 22 a single transaction moved our entire staking bonded pool, 2,985,651,403.40 TAC, to an attacker-controlled account. Together with TAC validators we halted the network the same evening. This was a drain, not a mint: total supply did not change and only $TAC was affected.Today we are publishing the official post-mortem, detailing what happened, how it happened, where the funds went, how we are recovering, and what it means for stakers and holders.The approved recovery plan restores staking balances in full. No action is required from delegators.If you hold $TAC on BNB Chain, do not trade it. How those holdings are treated in the recovery will betac.buildPost-Mortem Report: The Cosmos EVM Exploit on TACPost-mortem analysis of the Cosmos EVM exploit that affected TAC on August 22: what happened, where the funds went, and how the network is recovering.TAC Announcement Channel
26 Aug, 10:08
On August 22 an attacker exploited a vulnerability in the Cosmos EVM precompile layer and drained a single account on TAC. We halted the chain at block 24,671,475 to stop it. The defect is not in TAC-specific code. It sits in the shared Cosmos EVM module,TAC Announcement Channel
24 Aug, 13:05
On August 22 an attacker exploited a vulnerability in the Cosmos EVM precompile layer and drained a single account on TAC. We halted the chain at block 24,671,475 to stop it. The defect is not in TAC-specific code. It sits in the shared Cosmos EVM module, and several other chains running that module were hit by the same class of attack within a day.This was a drain, not a mint. No tokens were created and total supply is unchanged: 2,985,651,403 TAC was moved from one account to another. Only $TAC was affected, and all other assets on TAC are intact.We are finalising the technical post-mortem and the relaunch plan, and expect to publish both tomorrow. The plan is built to normalize $TAC balances and include all the necessary Cosmos fixes to safely restore the network.We are working with SEAL 911 and with exchanges on the funds that moved.https://x.com/TacBuild/status/2091873937655X (formerly Twitter)TAC (On August 22 an attacker exploited a vulnerability in the Cosmos EVM precompile layer and drained a single account on TAC. We halted the chain at block 24,671,475 to stop it. The defect is not in …TAC Announcement Channel
23 Aug, 06:20
The TAC team is currently investigating an exploited vulnerability on the Cosmos-based EVM side of TAC, affecting only $TAC supply.We work with TAC validators, and a few hours ago we immediately implemented a temporary chain halt.We will keep you posted on the next findings and next steps for chain resume. Please only follow official channels for updates.https://x.com/tacbuild/status/2091312709438444021?s=46&t=2ESVRNuP76O-S3RJiIPmbwTAC Announcement Channel
8 Jul, 21:55
Over the past 24 hours TAC experienced a sharp price decline. We know many of you are holding losses today. We take that seriously, and you deserve a direct explanation.1. No exploit. TAC was not hacked in any form. The protocol operates exactly as designed. All on-chain assets are safe.2. No insider selling. Neither the team nor early backers contributed to the selling pressure. Team and investor tokens remain fully locked and vested. Unlocks have not begun and are technically impossible at this stage.3. What happened. We completed an internal review of trading activity, both on-chain and using data available to us from centralized venues. There was no minting of tokens and no malicious activity. The decline was a liquidation cascade triggered initially by a large perpetual futures sell order exceeding the relatively thin liquidity on the market. That in turn resulted in aTAC Announcement Channel
29 Jun, 15:06
❗️ Important notice for TAC node operatorsThe TAC mainnet upgrade v1.6.0 is scheduled for June 30, 2026, ~12:00 UTC (block ~21,776,800).If you run a TAC node, action is required before the upgrade height:• Upgrade to the v1.6.0 binary • Set evm-chain-id = 239 in app.tomlWe also recommend running Cosmovisor to apply the upgrade automatically at the scheduled height, no manual intervention needed at block time.Full upgrade details Cosmovisor setup guide
TAC Announcement Channel
10 Jun, 17:35
❗️Important Notice: As part of the relaunch, a necessary step resulted in some users receiving more tokens than expected.More details to follow in a post later today.TAC Announcement Channel
10 Jun, 14:58
We're happy to share that cross-chain transactions between TON and TAC are now available again.The patched sequencer software has been independently reviewed by our auditor and TON ecosystem partners and we can resume operations with complete confidence. TAC CCL is now safer than ever.All missing funds in USDT, BLUM, and tsTON have been restored. Users can use TAC-powered products (DeFi Wallet vaults, Acid ID staking feature, and others) as before. Affected users expecting transactions on TON in BLUM or USDT will receive their funds automatically - no action is required from their side.❗️Important Notice: As part of the relaunch, a necessary step resulted in some users receiving more tokens than expected.More details to follow in a post later today.Thank you for your support, patience and trust.For any questions, please reach us in our Telegram community: @TACbuild
TAC Announcement Channel
3 Jun, 14:49
Update on the TAC CCL re-enablement.The final patches at the sequencer level are being independently reviewed by our auditor and TON ecosystem partners. This work is in its final stage.Restoration of the missing funds in USDT, BLUM, and tsTON is underway. Yesterday we completed three steps:1) The assets recovered from the attacker were consolidated into USDT 2) USDT was moved to TON 3) BLUM held on the TAC side was burned as planned.At this point, we need to settle the outstanding gap in BLUM and USDT, which we are currently working on. We expect the TAC CCL to re-open very soon. The full announcement will follow once everything is in place.In the meantime, please rely only on this account and our official Telegram for updates. Any unsolicited "support" or "recovery" DMs should be treated as scams.Thank you for your support, patience, and trust throughout this process.ForTAC Announcement Channel
20 May, 19:40edited
On May, 11th a security incident affected TON-TAC asset bridge. Over the past few days, TAC team has been engaged in post incident efforts, which, four days after, have resulted in the return of approximately 80% of the affected assets.Today, we are publishing the official post-mortem report detailing everything that happened behind the scenes of the incident.The root reason traced to a single missing validation in our sequencer software: the responsible party deployed a counterfeit jetton wallet on TON, and the sequencer accepted the counterfeit tokens because it did not verify the sender wallet's code hash. The total loss was approximately $2.86M across USDT, BLUM, and tsTON.Following a public appeal and subsequent recovery efforts, the assets under the responsible party's control were successfully secured, with approximately 90% returned to TAC-controlled multisigs on May 14thtac.buildPost-Mortem Report: TAC BridgePost Mortem analysis of the security incident that affected TAC Bridge.TAC Announcement Channel
15 May, 15:10
Hello everyone!We're happy to announce that ~90% of the funds from the May 12th security incident have been recovered.The attacker decided to return the funds that were sitting across Ethereum, TON, TAC, BSC and Zcash, and retained the 10% as a bounty.We are happy to confirm that the unbalance on the cross-chain layer will be completely fixed.A detailed update and full post-mortem will follow in the coming days.Big thanks to SEAL911 our security partners, the TON community and to every partner team that stood with us.Multisigs under TAC control with received funds:ETH/BSC/TAC → https://etherscan.io/address/0xa05CBfF7b395DeA456539Db279AbC6EE5a8150f9#tokentxns TON → https://tonviewer.com/EQAkTfPo4zo72Zyr5dk1QrWvCWlgA0gRd3njyg5hqmwdrVcN ZEC → https://blockchair.com/zcash/address/t1dXd2EUAe34BYEtNUtNfrBFQTTs8LhoTUHEthereum (ETH) Blockchain ExplorerAddress: 0xa05CBfF7...E5a8150f9 | EtherscanContract: Verified | Balance: $58,252.11 across 2 Chains | Transactions: 20 | As at Sep-09-2026 08:09:21 AM (UTC)TAC Announcement Channel
13 May, 17:54
We are currently investigating a security incident affecting the TAC bridge with TON. The bridge has been paused as soon as we received reports from our security partners. The issue appears isolated to native TON Jettons bridged from TON (excluding $TON).TAC Announcement Channel
12 May, 18:17
We are currently investigating a security incident affecting the TAC bridge with TON.The bridge has been paused as soon as we received reports from our security partners.The issue appears isolated to native TON Jettons bridged from TON (excluding $TON). $TON and every other Ethereum native asset are not affected.TON cross-chain transactions remain paused while the investigation is ongoing.Protecting our users is our top priority. Should any users be affected as a result of this incident, we are committed to doing everything we can to make them whole.We will be sharing regular updates through our official channels.TAC Announcement Channel
27 Feb, 11:14
gTAC 🫰Been a while since the last announcement, we have been building in the background.TAC is advancing DeFi on TON by bringing blue-chip assets and institutional-grade yield directly into Telegram.We recently announced the launch of cbBTC (Coinbase Wrapped BTC) on TON, enabling Bitcoin to be used natively on Telegram using TON-native wallets.https://x.com/TacBuild/status/2025962907713097857Fully backed 1:1 by BTC held in custody by Coinbase and supported by transparent Proof of Reserves, cbBTC combines Bitcoin’s security with EVM-native DeFi functionality. Through TAC’s EVM compatibility layer, this liquidity is now accessible on TON.Building on this foundation, we've also introduced high-yield vaults for BTC, USDT, and ETH in partnership with Morpho, Re7 Labs, and TON Wallet. These vaults leverage Morpho’s battle-tested smart contracts,X (formerly Twitter)TAC (Bitcoin is finally on Telegram: TAC made it available in your favorite messenger app
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