Poloniex to Support the ENJ, SEI and ATOM Network Upgrades

Dear Poloniex Users,

Poloniex will support the ENJ, SEI and ATOM Network Upgrades with the following plan:

Poloniex will suspend the deposits and withdrawals for ENJ Chain tokens at 14:00:00 (UTC) on May 18, 2026;
Poloniex will suspend the deposits and withdrawals for SEI Chain tokens at 14:00:00 (UTC) on May 19, 2026;
Poloniex will suspend the deposits and withdrawals for ATOM Chain tokens at 13:00:00 (UTC) on May 20, 2026;

You may deposit ENJ, SEI and ATOM Chain tokens in advance. We will handle all technical requirements involved for all users.

Please note:

The ENJ Network Upgrade will take place at block height of 15543000 approximately at 16:20:00 (UTC) on May 18, 2026;The SEI Network Upgrade will take place at block height of 208377745 approximately at 16:00:00 (UTC) on May 19 , 2026;The ATOM Network Upgrade will take place at block height of 31201200 approximately at 14:53:50 (UTC) on May 20 , 2026;
Trading of ENJ, SEI and ATOM chain tokens will not be affected during the network upgrades.
The network upgrades will not result in creation of new tokens.
Poloniex will resume deposits and withdrawals for ENJ, SEI and ATOM Chain tokens once we deem the upgraded network to be stable, which will not be further announced.

For more information, please refer to:

https://enjin.io/blog/enjin-blockchain-kallang-upgrade/

https://github.com/sei-protocol/sei-chain/releases/tag/v6.5.0

https://github.com/cosmos/gaia/releases/tag/v27.3.0

Poloniex

May 18, 2026

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